drm/amdgpu: remove useless init from amdgpu_job_alloc

This init is useless because base.sched will be cleared to 0 in drm_sched_job_init
because of commit 2320c9e6a768 ("drm/sched: memset() 'job' in drm_sched_job_init()").

Signed-off-by: Pierre-Eric Pelloux-Prayer <[e-mail]>
Reviewed-by: Alex Deucher <[e-mail]>
Reviewed-by: Christian König <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

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

···
 	if (!*job)
 		return -ENOMEM;
 
-	/*
-	 * Initialize the scheduler to at least some ring so that we always
-	 * have a pointer to adev.
-	 */
-	(*job)->base.sched = &adev->rings[0]->sched;
 	(*job)->vm = vm;
 
 	amdgpu_sync_create(&(*job)->explicit_sync);