power: supply: cpcap: Drop non-DT driver matching

Only DT based probing is used for the Motorola CPCAP charger driver, so
drop the !CONFIG_OF parts and redundant of_match_device() call.

Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20231009172923.2457844-20-robh@kernel.org


Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>