drm/amdgpu: remove set but not used variable 'priority'

drivers/gpu/drm/amd/amdgpu/amdgpu_job.c: In function amdgpu_job_submit:
drivers/gpu/drm/amd/amdgpu/amdgpu_job.c:148:26: warning: variable priority set but not used [-Wunused-but-set-variable]

commit 33abcb1f ("drm/amdgpu: set compute queue priority at mqd_init")
left behind this, remove it.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_job.c

@@ -145,7 +145,6 @@ void amdgpu_job_free(struct amdgpu_job *job)
 int amdgpu_job_submit(struct amdgpu_job *job, struct drm_sched_entity *entity,
 		      void *owner, struct dma_fence **f)
 {
-	enum drm_sched_priority priority;
 	int r;
 
 	if (!f)
@@ -157,7 +156,6 @@ int amdgpu_job_submit(struct amdgpu_job *job, struct drm_sched_entity *entity,
 
 	*f = dma_fence_get(&job->base.s_fence->finished);
 	amdgpu_job_free_resources(job);
-	priority = job->base.s_priority;
 	drm_sched_entity_push_job(&job->base, entity);
 
 	return 0;