drm/radeon/cik: remove set but not used variables

The value of pipe_id and queue_id  are not used under certain
circumstances, so just delete.
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/cik.c

@@ -7948,8 +7948,6 @@ int cik_irq_process(struct radeon_device *rdev)
 			DRM_ERROR("Illegal register access in command stream\n");
 			/* XXX check the bitfield order! */
 			me_id = (ring_id & 0x60) >> 5;
-			pipe_id = (ring_id & 0x18) >> 3;
-			queue_id = (ring_id & 0x7) >> 0;
 			switch (me_id) {
 			case 0:
 				/* This results in a full GPU reset, but all we need to do is soft
@@ -7971,8 +7969,6 @@ int cik_irq_process(struct radeon_device *rdev)
 			DRM_ERROR("Illegal instruction in command stream\n");
 			/* XXX check the bitfield order! */
 			me_id = (ring_id & 0x60) >> 5;
-			pipe_id = (ring_id & 0x18) >> 3;
-			queue_id = (ring_id & 0x7) >> 0;
 			switch (me_id) {
 			case 0:
 				/* This results in a full GPU reset, but all we need to do is soft