Revert "Volume Button Swap"
Already done:
https://github.com/DeviantDevs/android_packages_apps_Settings/commit/25f6c39af13fdcdc5913112807394ae84fad411f

See Settings > Display > Rotation

Nice job tho bro!

This reverts commit 2ef5cba5979bcdf2625b0cd7930a49a7ba0ce685.