drm/nouveau: Leave BO eviction synchronization for later.

The pushbuf ioctl syncs after validation, no need for this anymore.
Signed-off-by: NFrancisco Jerez <currojerez@riseup.net>
Signed-off-by: NBen Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nouveau_bo.c

@@ -485,15 +485,8 @@ nouveau_bo_move_accel_cleanup(struct nouveau_channel *chan,
 	if (ret)
 		return ret;
 
-	if (nvbo->channel) {
-		ret = nouveau_fence_sync(fence, nvbo->channel);
-		if (ret)
-			goto out;
-	}
-
 	ret = ttm_bo_move_accel_cleanup(&nvbo->bo, fence, NULL, evict,
 					no_wait_reserve, no_wait_gpu, new_mem);
-out:
 	nouveau_fence_unref((void *)&fence);
 	return ret;
 }