Remove: no longer analyze AI/GS for scenarios

[TrueBrain]

This information was never used, and with 14.0 it changed sufficiently that it is also broken.

[sentry-io]

🔍 Existing Issues For Review

Your pull request is modifying functions with the following pre-existing issues:

📄 File: bananas_api/new_upload/readers/scenario.py

Function	Unhandled Issue
read_item	KeyError: 'is_random' bananas_api.web_routes.new.... Event Count: 2

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