Revert "Skyrocket: SlimPie overlay"

This reverts commit 1659c607d2d65e8f853fcb502b038a4cfca0683b

Change-Id: I38d6ac7f3df4f60fdc70c0ae41badb986b3b9635
Merge "Revert "Skyrocket: SlimPie overlay"" into jb4.2