Remove Trebuchet overlays

Change-Id: If02131f2825026dcbe402dd13240e5b1a93f92c8
merge CyanogenMod

Change-Id: Id9187e8b3674df958a555ca060e3ca04200e5efb
merge CyanogenMod

Change-Id: Ib83c6b27e1a653216cd290da069b1299cdf5d64d