Revert "usb: msm_otg: prevent abnormal charging stop when vbus active."

This reverts commit d530d1cf.
It doesn't disable USB charging on receiving RESET from Host
which is failing USB CV unconfigure current measurement test
case.

CRs-Fixed: 446955
Change-Id: I17c3277b8f0bceee690ae547e79e5287b0eb3f19
Signed-off-by: Mayank Rana <mrana@codeaurora.org>