drm/omap: drop incorrect comment

The wrappers have been removed in commit 5a35876e2830
(drm: omapdrm: Remove manual update display support)
and will not be reintroduced, since the normal sys
functions properly call the dirty callback.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/omap_fbdev.c

@@ -84,9 +84,6 @@ static struct fb_ops omap_fb_ops = {
 	.owner = THIS_MODULE,
 	DRM_FB_HELPER_DEFAULT_OPS,
 
-	/* Note: to properly handle manual update displays, we wrap the
-	 * basic fbdev ops which write to the framebuffer
-	 */
 	.fb_read = drm_fb_helper_sys_read,
 	.fb_write = drm_fb_helper_sys_write,
 	.fb_fillrect = drm_fb_helper_sys_fillrect,