drm/bridge: tc358767: remove tc_connector_best_encoder

drm_connector_helper_funcs.best_encoder is only needed when the
connector can have more than one encoder, and that is never the case
here.

So remove tc_connector_best_encoder.

Signed-off-by: Tomi Valkeinen <[e-mail]>
Reviewed-by: Andrzej Hajda <[e-mail]>
Reviewed-by: Laurent Pinchart <[e-mail]>
Signed-off-by: Andrzej Hajda <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/bridge/tc358767.c

···
 			    DRM_CONNECTOR_POLL_DISCONNECT;
 }
 
-static struct drm_encoder *
-tc_connector_best_encoder(struct drm_connector *connector)
-{
-	struct tc_data *tc = connector_to_tc(connector);
-
-	return tc->bridge.encoder;
-}
-
 static const struct drm_connector_helper_funcs tc_connector_helper_funcs = {
 	.get_modes = tc_connector_get_modes,
-	.best_encoder = tc_connector_best_encoder,
 };
 
 static const struct drm_connector_funcs tc_connector_funcs = {