ctc: removal of the old ctc driver

ctc driver is replaced by a new ctcm driver.
The ctcm driver supports the channel-to-channel connections of the
old ctc driver plus an additional MPC protocol to provide SNA
connectivity.
This patch removes the functions of the old ctc driver.

Signed-off-by: Peter Tiedemann <[email protected]>
Signed-off-by: Ursula Braun <[email protected]>
Signed-off-by: Jeff Garzik <[email protected]>

Author: Peter Tiedemann