Settings: fix Display settings FC on manta or devices without crt mode effect

we removed the animations category for devices without crt mode effects. Result
is the ListviewAnimation get now NPE on this devices due that they are in same category.

Fix it with just not removing the category due that ListviewAnimations are always present
and remove only the CRT mode option

Change-Id: Iaf88e1c5a729a0fb3b7692b0b83b88c58dd1ee93
(cherry picked from commit c99103da42bc964f90f1bb4469696d3afcd82e93)

Conflicts:
	src/com/android/settings/DisplaySettings.java