power: smblib: reset CTM ICL vote upon USB removal

Currently, CTM input current limiting vote remains after USB detachment,
and can be outdated right after USB reinsertion.

Cancel the vote upon USB removal.

Change-Id: Iecc4f36030328f8e68845f90ad19e8558b895362
Signed-off-by: Harry Yang <harryy@codeaurora.org>