gma500: remove unneeded check in mdfld_crtc_mode_set()

The list cursor is never NULL in a list_for_each_entry() loop.
Signed-off-by: NDan Carpenter <error27@gmail.com>
Signed-off-by: NAlan Cox <alan@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/gma500/mdfld_intel_display.c

@@ -1093,8 +1093,6 @@ static int mdfld_crtc_mode_set(struct drm_crtc *crtc,
 	memcpy(&psb_intel_crtc->saved_adjusted_mode, adjusted_mode, sizeof(struct drm_display_mode));
 
 	list_for_each_entry(connector, &mode_config->connector_list, head) {
-		if(!connector)
-			continue;
 			
 		encoder = connector->encoder;