Revert "USB fastcharge for Nexus 7 (2013)"

This reverts commit 160286127c4e482630a48c521bbfe2fe5cecbc52.

Conflicts:
	drivers/power/bq27541_battery.c
fastcharge: initial adaptation for Flo

Signed-off-by: Paul Reioux <reioux@gmail.com>

Conflicts:
	arch/arm/mach-msm/Makefile