feat: remove materials

[jacobrkerstetter]

Description

• added ability to remove materials from document and specific bodies by request of FluidsOne team

Issue linked

Checklist

• I have tested my changes locally.
• I have added necessary documentation or updated existing documentation.
• I have followed the coding style guidelines of this project.
• I have added appropriate unit tests.
• I have reviewed my changes before submitting this pull request.
• I have linked the issue or issues that are solved to the PR if any.
• I have assigned this PR to myself.
• I have added the minimum version decorator to any new backend method implemented.
• I have made sure that the title of my PR follows Conventional commits style (e.g. feat: extrude circle to cylinder)

[codecov]

Codecov Report

❌ Patch coverage is 96.77419% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 94.59%. Comparing base (32797ba) to head (2bc4876).

Files with missing lines	Patch %	Lines
src/ansys/geometry/core/designer/body.py	90.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2180      +/-   ##
==========================================
- Coverage   94.62%   94.59%   -0.04%     
==========================================
  Files         141      141              
  Lines       10361    10392      +31     
==========================================
+ Hits         9804     9830      +26     
- Misses        557      562       +5     

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