crespo: Remove old Launcher2 overlay

Change-Id: Ie1ef55140da5745d988174219b1d187c7433a465
crespo: Remove now unneeded build options

Change-Id: I713f0a495c57549236631e2a6861bd88511110d4
crespo: Disable scissor optimizations

Change-Id: Iba53c69a515189f446f006428ca70d1c62dee71b