Revert "Add a config to enable live wallpaper in desktop experience"

This reverts commit e83dc612.

Reason for revert: <Droid monitor: Likely culprit for b/405488807 - verifying through ABTD before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted.>

Change-Id: I6fc7c856d11b738d481eced705fe9aebe7fe12e1