drm/omap: Remove declaration of nonexisting function

The omap_connector_attached_encoder() doesn't exist anymore, remove its
declaration from omap_connector.h.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/omap_connector.h

@@ -31,8 +31,6 @@ struct drm_connector *omap_connector_init(struct drm_device *dev,
 					  struct omap_dss_device *output,
 					  struct omap_dss_device *display,
 					  struct drm_encoder *encoder);
-struct drm_encoder *omap_connector_attached_encoder(
-		struct drm_connector *connector);
 bool omap_connector_get_hdmi_mode(struct drm_connector *connector);
 void omap_connector_enable_hpd(struct drm_connector *connector);
 void omap_connector_disable_hpd(struct drm_connector *connector);