Delete PPT example code

[hombit]

Change Description

• My PR includes a link to the issue that I am addressing

Solution Description

Code Quality

• I have read the Contribution Guide
• My code follows the code style of this project
• My code builds (or compiles) cleanly without any errors or warnings
• My code contains relevant comments and necessary documentation

Project-Specific Pull Request Checklists

Bug Fix Checklist

• My fix includes a new test that breaks as a result of the bug (if possible)
• My change includes a breaking change
  • My change includes backwards compatibility and deprecation warnings (if possible)

New Feature Checklist

• I have added or updated the docstrings associated with my feature using the NumPy docstring format
• I have updated the tutorial to highlight my new feature (if appropriate)
• I have added unit/End-to-End (E2E) test cases to cover my new feature
• My change includes a breaking change
  • My change includes backwards compatibility and deprecation warnings (if possible)

Documentation Change Checklist

• Any updated docstrings use the NumPy docstring format

Build/CI Change Checklist

• If required or optional dependencies have changed (including version numbers), I have updated the README to reflect this
• If this is a new CI setup, I have added the associated badge to the README

Other Change Checklist

• Any new or updated docstrings use the NumPy docstring format.
• I have updated the tutorial to highlight my new feature (if appropriate)
• I have added unit/End-to-End (E2E) test cases to cover any changes
• My change includes a breaking change
  • My change includes backwards compatibility and deprecation warnings (if possible)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.52%. Comparing base (0dadb25) to head (14c1de2).

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #76      +/-   ##
==========================================
- Coverage   98.53%   98.52%   -0.01%     
==========================================
  Files          16       15       -1     
  Lines         821      816       -5     
==========================================
- Hits          809      804       -5     
  Misses         12       12              

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[github-actions]

Before [0dadb25]	After [775ecab]	Ratio	Benchmark (Parameter)
33.6±2ms	34.7±1ms	1.03	benchmarks.AssignSingleDfToNestedSeries.time_run
8.26±0.06ms	8.33±0.2ms	1.01	benchmarks.NestedFrameAddNested.time_run
5.12±0.04ms	5.18±0.06ms	1.01	benchmarks.NestedFrameReduce.time_run
59.3±3ms	59.8±1ms	1.01	benchmarks.ReassignHalfOfNestedSeries.time_run
259M	260M	1	benchmarks.AssignSingleDfToNestedSeries.peakmem_run
86M	86M	1	benchmarks.NestedFrameAddNested.peakmem_run
88.2M	88.2M	1	benchmarks.NestedFrameReduce.peakmem_run
275M	273M	0.99	benchmarks.ReassignHalfOfNestedSeries.peakmem_run
89.8M	88.2M	0.98	benchmarks.NestedFrameQuery.peakmem_run
6.24±0.03ms	5.83±0.08ms	0.94	benchmarks.NestedFrameQuery.time_run

Click here to view all benchmarks.