RC: remove all duplicate images - AOKP

*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>

Conflicts:
	res/drawable-mdpi/ic_sysbar_menu.png
	res/drawable-xhdpi/ic_sysbar_back.png
	res/drawable-xhdpi/ic_sysbar_home.png
	res/drawable-xhdpi/ic_sysbar_ime_switcher.png
	res/drawable-xhdpi/ic_sysbar_lastapp.png
	res/drawable-xhdpi/ic_sysbar_menu_big.png
	res/drawable-xhdpi/ic_sysbar_recent.png
	res/drawable-xhdpi/ic_sysbar_recent_gb.png
	res/drawable-xhdpi/ic_sysbar_screenshot.png
	res/drawable-xhdpi/ic_sysbar_search.png
	res/drawable-xhdpi/ic_sysbar_widget.png