power: smb5-lib: Fix DC charging suspend by chg-termination

Remove charge termination condition vote over dc_suspend votable on
DC_IN charger removal to allow DC charging to start on re-insertion
of DC_IN charger.

Change-Id: I2b4771712de84a76bd2061d62d8d2a315cc75695
Signed-off-by: Umang Agrawal <uagrawal@codeaurora.org>