drm/panfrost: Get rid of the unused JS_STATUS_EVENT_ACTIVE definition

Exception types will be defined as an enum.

v4:
* Fix typo in the commit message
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210630062751.2832545-5-boris.brezillon@collabora.com

drivers/gpu/drm/panfrost/panfrost_regs.h

@@ -262,9 +262,6 @@
 #define JS_COMMAND_SOFT_STOP_1		0x06	/* Execute SOFT_STOP if JOB_CHAIN_FLAG is 1 */
 #define JS_COMMAND_HARD_STOP_1		0x07	/* Execute HARD_STOP if JOB_CHAIN_FLAG is 1 */
 
-#define JS_STATUS_EVENT_ACTIVE		0x08
-
-
 /* MMU regs */
 #define MMU_INT_RAWSTAT			0x2000
 #define MMU_INT_CLEAR			0x2004