m8: Don't let users disable USB charging

* This is a debug option

Change-Id: I0ad6818775cdc62911fbdff249e979c59c759305
m8: Remove post_boot script, add performance profiles

Change-Id: I983a4bf7d70cefed228e23b583505c1c8624a8a7
m8: Remove even more unnecessary init entries

Change-Id: I5595fb45bf796979395eca7cc032cf4bce621b24
m8: Clean up sdcard services

Change-Id: I64bf62387f21a88a93a457c56b267ede0948b50b