RC: remove all duplicate images

*All navbar and lockscreen images are pulled from systemui
 now instead of RC. Remove the dupes.

*Menu(not big) and null images are still required to compile.
 Copied ones from systemui into RC for all sizes.

Change-Id: I18e080a3aac28677e64f4ab67e7a78cc6c25d2f5
Signed-off-by: Jonathan Steadman <xxwhitehawk@gmail.com>