drm/ttm: remove dead codes

These codes are not used.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/ttm/ttm_bo_util.c

@@ -629,10 +629,7 @@ int ttm_bo_kmap(struct ttm_buffer_object *bo,
 		return -EINVAL;
 	if (start_page > bo->num_pages)
 		return -EINVAL;
-#if 0
-	if (num_pages > 1 && !capable(CAP_SYS_ADMIN))
-		return -EPERM;
-#endif
+
 	(void) ttm_mem_io_lock(man, false);
 	ret = ttm_mem_io_reserve(bo->bdev, &bo->mem);
 	ttm_mem_io_unlock(man);

drivers/gpu/drm/ttm/ttm_page_alloc_dma.c

@@ -410,13 +410,7 @@ static unsigned ttm_dma_page_pool_free(struct dma_pool *pool, unsigned nr_free,
 
 	if (NUM_PAGES_TO_ALLOC < nr_free)
 		npages_to_free = NUM_PAGES_TO_ALLOC;
-#if 0
-	if (nr_free > 1) {
-		pr_debug("%s: (%s:%d) Attempting to free %d (%d) pages\n",
-			 pool->dev_name, pool->name, current->pid,
-			 npages_to_free, nr_free);
-	}
-#endif
+
 	if (use_static)
 		pages_to_free = static_buf;
 	else