target_request: drop useless typedef target_req_cmd_t

No need to use a typedef for an enum.
Drop it.

Change-Id: Ib5a872b52a6f3d7379d2662e4ff84f32c2bd2ef8
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/8705
Reviewed-by: zapb <dev@zapb.de>
Tested-by: jenkins

src/target/target_request.h

@@ -17,12 +17,12 @@
 struct target;
 struct command_context;
 
-typedef enum target_req_cmd {
+enum target_req_cmd {
 	TARGET_REQ_TRACEMSG,
 	TARGET_REQ_DEBUGMSG,
 	TARGET_REQ_DEBUGCHAR,
 /*	TARGET_REQ_SEMIHOSTING, */
-} target_req_cmd_t;
+};
 
 struct debug_msg_receiver {
 	struct command_context *cmd_ctx;