drm/radeon: remove radeon_fb_{add,remove}_connector functions

drm_fb_helper_{add,remove}_one_connector() are dummy functions now
and serve no purpose. Hence remove their calls.

This is the preparatory step for removing the
drm_fb_helper_{add,remove}_one_connector() functions from
drm_fb_helper.h

Signed-off-by: Pankaj Bharadiya <[e-mail]>
Reviewed-by: Emil Velikov <[e-mail]>
Reviewed-by: Alex Deucher <[e-mail]>
Signed-off-by: Daniel Vetter <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/radeon/radeon_dp_mst.c

···
 
 static void radeon_dp_register_mst_connector(struct drm_connector *connector)
 {
-	struct drm_device *dev = connector->dev;
-	struct radeon_device *rdev = dev->dev_private;
-
-	radeon_fb_add_connector(rdev, connector);
-
 	drm_connector_register(connector);
 }
 
 static void radeon_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
 					    struct drm_connector *connector)
 {
-	struct radeon_connector *master = container_of(mgr, struct radeon_connector, mst_mgr);
-	struct drm_device *dev = master->base.dev;
-	struct radeon_device *rdev = dev->dev_private;
-
 	drm_connector_unregister(connector);
-	radeon_fb_remove_connector(rdev, connector);
 	drm_connector_cleanup(connector);
 
 	kfree(connector);

drivers/gpu/drm/radeon/radeon_fb.c

···
 		return true;
 	return false;
 }
-
-void radeon_fb_add_connector(struct radeon_device *rdev, struct drm_connector *connector)
-{
-	if (rdev->mode_info.rfbdev)
-		drm_fb_helper_add_one_connector(&rdev->mode_info.rfbdev->helper, connector);
-}
-
-void radeon_fb_remove_connector(struct radeon_device *rdev, struct drm_connector *connector)
-{
-	if (rdev->mode_info.rfbdev)
-		drm_fb_helper_remove_one_connector(&rdev->mode_info.rfbdev->helper, connector);
-}

drivers/gpu/drm/radeon/radeon_mode.h

···
 
 void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id);
 
-void radeon_fb_add_connector(struct radeon_device *rdev, struct drm_connector *connector);
-void radeon_fb_remove_connector(struct radeon_device *rdev, struct drm_connector *connector);
-
 void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);
 
 int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled);