drm/radeon: Remove drm_debugfs_remove_files() call

drm_debugfs_cleanup() now removes all minor->debugfs_list entries
automatically, so it's not necessary to call drm_debugfs_remove_files().

Cc: alexander.deucher@amd.com
Cc: christian.koenig@amd.com
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170126225621.12314-13-noralf@tronnes.org

drivers/gpu/drm/radeon/radeon_device.c

@@ -1549,8 +1549,6 @@ failed:
 	return r;
 }
 
-static void radeon_debugfs_remove_files(struct radeon_device *rdev);
-
 /**
  * radeon_device_fini - tear down the driver
  *
@@ -1577,7 +1575,6 @@ void radeon_device_fini(struct radeon_device *rdev)
 	rdev->rmmio = NULL;
 	if (rdev->family >= CHIP_BONAIRE)
 		radeon_doorbell_fini(rdev);
-	radeon_debugfs_remove_files(rdev);
 }
 
 
@@ -1954,16 +1951,3 @@ int radeon_debugfs_add_files(struct radeon_device *rdev,
 #endif
 	return 0;
 }
-
-static void radeon_debugfs_remove_files(struct radeon_device *rdev)
-{
-#if defined(CONFIG_DEBUG_FS)
-	unsigned i;
-
-	for (i = 0; i < rdev->debugfs_count; i++) {
-		drm_debugfs_remove_files(rdev->debugfs[i].files,
-					 rdev->debugfs[i].num_files,
-					 rdev->ddev->primary);
-	}
-#endif
-}