Remove clang compatibility handling

[rmartin16]

Describe the bug

When Standalone Python 20231002 was introduced, it required special logic to strip clang-specific flags from the Python install. This should be removed when indygreg/python-build-standalone#194 is resolved.

Alternatively, we could revert back to version 20230826 like we're doing for AppImage. Although, since the problem persists for Python 3.12, probably best to use the status quo for now.

Steps to reproduce

Roll out version 0.3.16 of this template.

Expected behavior

The logic to remove clang dependency is absent when it is no longer necessary.

Screenshots

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Environment

• Operating System:
• Python version:
• Software versions:
  • Briefcase: 0.3.16

Logs

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Additional context

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[rmartin16]

Resolved in #32.