MT#55283 obsolete OP_SUBSCRIBER_*

These are redundant and not used.

Change-Id: I2c994c4b1f222a4065760f4e2f154131f7ce8b34

include/call.h

@@ -69,7 +69,6 @@ enum message_type {
 		 || (opmode == OP_BLOCK_SILENCE_MEDIA || opmode == OP_UNBLOCK_SILENCE_MEDIA)     \
 		 || (opmode == OP_PLAY_MEDIA || opmode == OP_STOP_MEDIA)                         \
 		 || (opmode == OP_START_FORWARDING || opmode == OP_STOP_FORWARDING)              \
-		 || (opmode == OP_SUBSCRIBER_REQ || opmode == OP_SUBSCRIBER_ANS)                 \
 		 || (opmode == OP_UNSUBSCRIBE || opmode == OP_START_RECORDING)                   \
 		 || (opmode == OP_STOP_RECORDING || opmode == OP_PAUSE_RECORDING)                \
 		 || (opmode == OP_OTHER))

include/control_ng.h

@@ -92,8 +92,6 @@ enum call_opmode {
 	OP_STOP_MEDIA,
 	OP_START_FORWARDING,
 	OP_STOP_FORWARDING,
-	OP_SUBSCRIBER_REQ,
-	OP_SUBSCRIBER_ANS,
 	OP_UNSUBSCRIBE,
 	OP_START_RECORDING,
 	OP_STOP_RECORDING,