mei: bus: kill mei_cl_ops

since we move all nfc hanling to the mei_phy module
we can kill mei_cl_ops

Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>