Revert "Create Omni audio theme's SoundPacks folder if necessary"

This reverts commit 879188cce39373f6c875982f35deed70c82f9653.
Revert "[4/4] Settings: Audio Themes Settings"

This reverts commit b423785e37280c3d0e09cce7f10cb97d40bb4757.

Conflicts:

	res/values/cr_strings.xml
Revert "[3/4] Settings: Audio Themes Settings"

This reverts commit 13206390c557119644fc507cd8b66c6f51548834.

Conflicts:

	AndroidManifest.xml