rename battey_info

I don't know why, it gave me error lol

Change-Id: Ib54a4d0d0c49abffb569a36d1a1a182f6ba0d156
Remove fastcharge notification

I don't think we need to see this notification on every reboot.

Change-Id: If2110bab95e2b9c482313c31ab441bd6722ed946