gh-38031: Remove remaining # coding: utf-8 lines in src/sage

    
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- Split out from #37901


### 📝 Checklist

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- [ ] I have created tests covering the changes.
- [ ] I have updated the documentation and checked the documentation
preview.

### ⌛ Dependencies

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URL: #38031
Reported by: Matthias Köppe
Reviewer(s): Kwankyu Lee

src/sage/arith/misc.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Miscellaneous arithmetic functions
 

src/sage/combinat/debruijn_sequence.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 De Bruijn sequences
 

src/sage/combinat/fast_vector_partitions.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Brent Yorgey's fast algorithm for integer vector (multiset) partitions.
 

src/sage/combinat/matrices/dancing_links.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # distutils: language = c++
 """
 Dancing Links internal pyx code

src/sage/cpython/atexit.pyx

@@ -1,4 +1,3 @@
-# -*- encoding: utf-8 -*-
 
 """Utilities for interfacing with the standard library's atexit module."""
 

src/sage/cpython/string.pyx

@@ -1,4 +1,3 @@
-# -*- encoding: utf-8 -*-
 """
 String <-> bytes encoding/decoding
 

src/sage/crypto/boolean_function.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 Boolean functions
 

src/sage/data_structures/blas_dict.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Basic Linear Algebra Subroutines on dictionaries
 

src/sage/databases/conway.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Frank Lübeck's tables of Conway polynomials over finite fields
 """

src/sage/databases/cubic_hecke_db.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Cubic Hecke database
 

src/sage/databases/findstat.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 FindStat - the search engine for combinatorial statistics and maps
 

src/sage/databases/knotinfo_db.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 KnotInfo database
 

src/sage/databases/oeis.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 The On-Line Encyclopedia of Integer Sequences (OEIS)
 

src/sage/databases/sql_db.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Relational (sqlite) Databases Module
 

src/sage/doctest/parsing.py

@@ -1,4 +1,3 @@
-# -*- encoding: utf-8 -*-
 """
 Parsing docstrings
 

src/sage/doctest/reporting.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Reporting doctest results
 

src/sage/dynamics/arithmetic_dynamics/projective_ds.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Dynamical systems on projective schemes
 

src/sage/dynamics/cellular_automata/elementary.py

@@ -1,4 +1,3 @@
-# -*- encoding: utf-8 -*-
 """
 Elementary Cellular Automata
 

src/sage/dynamics/cellular_automata/glca.py

@@ -1,4 +1,3 @@
-# -*- encoding: utf-8 -*-
 """
 Graftal Lace Cellular Automata
 

src/sage/features/__init__.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Testing for features of the environment at runtime
 

src/sage/features/csdp.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Feature for testing the presence of ``csdp``
 """

src/sage/features/ecm.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Feature for testing the presence of ``ecm`` or ``gmp-ecm``
 """

src/sage/features/lrs.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Feature for testing the presence of ``lrslib``
 """

src/sage/features/msolve.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Feature for testing the presence of msolve
 

src/sage/features/pandoc.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Feature for testing the presence of ``pandoc``
 """

src/sage/game_theory/normal_form_game.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Normal form games with N players.
 

src/sage/games/quantumino.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Family Games America's Quantumino solver
 

src/sage/graphs/base/graph_backends.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Backends for Sage (di)graphs
 

src/sage/graphs/generic_graph_pyx.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 GenericGraph Cython functions
 

src/sage/graphs/graph_decompositions/clique_separators.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # cython: binding=True
 # distutils: language = c++
 r"""

src/sage/graphs/path_enumeration.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # cython: binding=True
 # distutils: language = c++
 r"""

src/sage/graphs/strongly_regular_db.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Database of strongly regular graphs
 

src/sage/graphs/traversals.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # cython: binding=True
 # distutils: language = c++
 r"""

src/sage/homology/chain_complex.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Chain complexes
 

src/sage/homology/chain_homotopy.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Chain homotopies and chain contractions
 

src/sage/interfaces/frobby.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Interface to Frobby for fast computations on monomial ideals.
 

src/sage/interfaces/gap.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Interface to GAP
 

src/sage/interfaces/genus2reduction.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Conductor and reduction types for genus 2 curves
 

src/sage/interfaces/maxima_abstract.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Abstract interface to Maxima
 

src/sage/interfaces/r.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Interfaces to R
 

src/sage/knots/gauss_code.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 Helper functions related to Gauss codes of knots
 

src/sage/knots/knot.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Knots
 

src/sage/knots/knotinfo.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Access to the KnotInfo database
 

src/sage/lfunctions/pari.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 `L`-functions from PARI
 

src/sage/libs/giac/__init__.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 Wrappers for Giac functions
 

src/sage/libs/linkages/padics/Polynomial_ram.pxi

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 This linkage file implements the padics API for ramified extensions using Sage
 Polynomials.

src/sage/manifolds/differentiable/integrated_curve.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Integrated Curves and Geodesics in Manifolds
 

src/sage/manifolds/differentiable/levi_civita_connection.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Levi-Civita Connections
 

src/sage/manifolds/differentiable/manifold.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Differentiable Manifolds
 

src/sage/manifolds/section_module.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Section Modules
 

src/sage/manifolds/subset.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Subsets of Topological Manifolds
 

src/sage/manifolds/vector_bundle.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Topological Vector Bundle
 

src/sage/matrix/matrix0.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 Base class for matrices, part 0
 

src/sage/matrix/matrix_gf2e_dense.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # distutils: libraries = m4rie M4RI_LIBRARIES m
 # distutils: library_dirs = M4RI_LIBDIR
 # distutils: include_dirs = M4RI_INCDIR

src/sage/matrix/matrix_integer_dense.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # distutils: extra_compile_args = NTL_CFLAGS M4RI_CFLAGS
 # distutils: libraries = iml NTL_LIBRARIES gmp m CBLAS_LIBRARIES
 # distutils: library_dirs = NTL_LIBDIR CBLAS_LIBDIR

src/sage/matrix/matrix_integer_sparse.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Sparse integer matrices
 

src/sage/matrix/matrix_mod2_dense.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # distutils: libraries = M4RI_LIBRARIES GDLIB_LIBRARIES LIBPNG_LIBRARIES ZLIB_LIBRARIES
 # distutils: library_dirs = M4RI_LIBDIR GDLIB_LIBDIR LIBPNG_LIBDIR ZLIB_LIBDIR
 # distutils: include_dirs = M4RI_INCDIR GDLIB_INCDIR LIBPNG_INCDIR ZLIB_INCDIR

src/sage/matrix/special.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 Constructors for special matrices
 

src/sage/matroids/matroid.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 The abstract Matroid class
 

src/sage/misc/callable_dict.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 Callable dictionaries
 """

src/sage/misc/lazy_string.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 Lazy strings
 

src/sage/misc/parser.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 A parser for symbolic equations and expressions
 

src/sage/modular/pollack_stevens/dist.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # distutils: libraries = gmp
 # distutils: extra_compile_args = -D_XPG6
 """

src/sage/modules/with_basis/indexed_element.pyx

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 An element in an indexed free module
 

src/sage/parallel/map_reduce.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Parallel computations using RecursivelyEnumeratedSet and Map-Reduce
 

src/sage/plot/graphics.py

@@ -1,4 +1,3 @@
-# -*- encoding: utf-8 -*-
 r"""
 Graphics objects
 

src/sage/plot/point.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Points
 

src/sage/quivers/path_semigroup.py

@@ -1,4 +1,3 @@
-# -*- encoding: utf-8 -*-
 """
 Path Semigroups
 """

src/sage/repl/display/fancy_repr.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 Representations of objects
 """

src/sage/repl/display/formatter.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 IPython Displayhook Formatters
 

src/sage/repl/display/pretty_print.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 The Sage pretty printer
 

src/sage/repl/display/util.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 Utility functions for pretty-printing
 

src/sage/repl/image.py

@@ -1,4 +1,3 @@
-# -*- encoding: utf-8 -*-
 """
 Sage Wrapper for Bitmap Images
 

src/sage/repl/ipython_kernel/interact.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Interacts for the Sage Jupyter notebook
 

src/sage/repl/ipython_kernel/kernel.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 The Sage ZMQ Kernel
 

src/sage/repl/ipython_kernel/widgets_sagenb.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 r"""
 Functions to construct widgets, based on the old SageNB interface.
 

src/sage/repl/preparse.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 The Sage Preparser
 

src/sage/repl/rich_output/__init__.py

@@ -1,4 +1,3 @@
-# -*- encoding: utf-8 -*-
 
 from .display_manager import get_display_manager
 from .pretty_print import pretty_print

src/sage/repl/rich_output/backend_base.py

@@ -1,4 +1,3 @@
-# -*- encoding: utf-8 -*-
 r"""
 Base Class for Backends
 

src/sage/repl/rich_output/backend_doctest.py

@@ -1,4 +1,3 @@
-# -*- encoding: utf-8 -*-
 """
 The backend used for doctests