remove unused charger package

Charger is symlinked to healthd in Lollipop.

Change-Id: Id80dfa7dc813f64066efc8fbf1f278587a80f847
ramdisk: remove qcom random number generators

Deprecated in Lollipop.

Change-Id: Iab9c2f240002f8806a82f12028bd57841e84f3cb