Merge remote-tracking branch 'origin/remove_unused' into pep585

# Conflicts:
#	spinn_utilities/make_tools/file_converter.py

spinn_utilities/make_tools/file_converter.py

@@ -100,7 +100,7 @@ def __call__(self, src: str, dest: str, log_file_id: int,
         #: Number of c lines the log method takes
         self._log_lines: int = -9999999
         #: Any other stuff found before the log method but on same line
-        self._log_start: int = -9999999  # Bogus value to avoid Optional
+        self._log_start: int = -9999999
         # variable created when a comment found
         #: The previous state
         self._previous_status: Optional[State] = None