Revert "Low-end devices need help!"

This reverts commit bd6ee8a08f397e9c2622e7e634360442a32b7a0e.

Apparently this was causing some issues..
keyguard: enable magnetic target if no custom targets defined

When no custom target is defined (the "reset" button is pressed
in settings), the unlock target will always be at the right
regardless of the direction the user dragged to.

Change-Id: I0a2b1cd5dc7a2840c23d83a26593513cbc880c08
Externalize symbol picker options to resources

Having the symbol picker options in resources allows a change to be made for
a specific device, and even for a specific locale (change in overlay).

Ported from jellybean (was Change-Id: If39eafc7d0766d28ef6bee0ff61bf234a6654f38)

http://review.cyanogenmod.org/#/c/20626

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I72ff6fab6b9c14f9761904fdcc6918784d790d4d

Conflicts:
	core/res/res/values/symbols.xml
Bring "SystemUI: filter certain toggles" back

Credit (AOKP)

This reverts commit a5e9c72f2f90bfec2fb1a3fdee603007d13a3254.