Revert "power: smb1360: shutdown smb1360 when device suspend or powered off"

This reverts commit 6f4f350c.

Smb1360 is not suppose to shutdown when system going to suspend.

Change-Id: I04fd9cd8d53c051cfd06b5ddbe4a16e0d8715986
Signed-off-by: Fenglin Wu <fenglinw@codeaurora.org>