Revert "drivers/scsi: use module_pcmcia_driver() in pcmcia drivers"

This reverts commit 3e13ea450b6a4714ee05ba4d61e5b32821cde550.

It should go through the scsi tree instead.

Cc: kbuild test robot <fengguang.wu@intel.com>
Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>
Cc: "James E.J. Bottomley" <JBottomley@parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>