fix(Release): Remove old gamepad_diagram scene.

[pastaq]

• Fixes release build https://github.com/ShadowBlip/OpenGamepadUI/actions/runs/9342101374/job/25709676460#step:6:14628

[github-actions[bot]]

:tada: This PR is included in version 0.31.0 :tada:

The release is available on GitHub release

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