Remove make_ext4fs from PRODUCT_PACKAGES

This has been in the core package set since 4.2.

Change-Id: I205e82bef8d57e77332b087cc511f3414e0f6426
epicmtd: Disable GL scissor optimization (SGX540)

http://source.android.com/devices/tuning.html

Change-Id: I8fdcfbdc639dc76e08761eb3830c82ded5ca532a