Remove kill_advanced_inv

[alef]

Summary

Bugfixes "Fixes AIM layout #76606"

Purpose of change

Fix latest AIM changes to work with saved layout.

Describe the solution

1. Apply this patch from @Brambor
2. Make -Werror=missing-declarations happy by inlining the function

Describe alternatives you've considered

None

Testing

• ✅ Do Moving something in/out of container restores advanced invertory to default when "Open default advanced inventory layout" is enabled #76606's repro steps
• ✅ Move lot of items in and out of a container
• ✅ Repeat with a zombie approaching and game asking to stop

Additional context

#76433 Introduced uistate.open_menu. In #76490 @andrei8l commented maybe kill_advanced_inv() could be removed because @Kamayana fixed lot of AIM issues, much probably in #68266.

[Brambor]

Thanks for applying my patch and notifying me! Glad it works :)