Revert "Actually attempt to get the GitHub app's user ID (#5214)"

[eleftherias]

This reverts commit 9286b31.

Summary

This was breaking provider enrolment. We are abusing this function by using it for both the bot App user and the enrolling real user. We should refactor, but reverting for now.

Change Type

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• Bug fix (resolves an issue without affecting existing features)
• Feature (adds new functionality without breaking changes)
• Breaking change (may impact existing functionalities or require documentation updates)
• Documentation (updates or additions to documentation)
• Refactoring or test improvements (no bug fixes or new functionality)

Testing

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Review Checklist:

• Reviewed my own code for quality and clarity.
• Added comments to complex or tricky code sections.
• Updated any affected documentation.
• Included tests that validate the fix or feature.
• Checked that related changes are merged.

[coveralls]

coverage: 54.996% (-0.01%) from 55.009%
when pulling aa1a687 on eleftherias:revert-user-id
into 9286b31 on mindersec:main.