Revert "media: camss: Convert to platform remove callback returning void"

This reverts commit 4ef95267 which is
commit 428bbf4b upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: Ib2d1685c354fe3782fcd691c9ffd10b4626094b9
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>