Staging: xgifb: Remove unused function fbcon_XGI_sync

Due a cleanup in earlier patches, the function fbcon_XGI_sync now does nothing
so it has to be removed.

This patches removes the unused function.
Signed-off-by: Javier Martinez Canillas <martinez.javier@gmail.com>
Acked-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/xgifb/XGI_accel.c

@@ -115,11 +115,6 @@ void XGIfb_syncaccel(void)
 
 }
 
-int fbcon_XGI_sync(struct fb_info *info)
-{
-	return 0;
-}
-
 void fbcon_XGI_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 {
 	if (!rect->width || !rect->height)

drivers/staging/xgifb/XGI_main.h

@@ -797,7 +797,6 @@ extern void     fbcon_XGI_fillrect(struct fb_info *info,
                                    const struct fb_fillrect *rect);
 extern void     fbcon_XGI_copyarea(struct fb_info *info,
                                    const struct fb_copyarea *area);
-extern int      fbcon_XGI_sync(struct fb_info *info);
 
 static int XGIfb_ioctl(struct fb_info *info, unsigned int cmd,
 			    unsigned long arg);

drivers/staging/xgifb/XGI_main_26.c

@@ -1741,7 +1741,6 @@ static struct fb_ops XGIfb_ops = {
 	.fb_fillrect = fbcon_XGI_fillrect,
 	.fb_copyarea = fbcon_XGI_copyarea,
 	.fb_imageblit = cfb_imageblit,
-	.fb_sync = fbcon_XGI_sync,
 	.fb_ioctl = XGIfb_ioctl,
 	/* .fb_mmap = XGIfb_mmap, */
 };