package/mesa3d: remove unneeded comment

https://git.busybox.net/buildroot/commit/package/mesa3d?id=f1894ec95728806e09405d26663e0ea371afaeab
removed the dependency on X.org for DRI drivers but forgot to remove
the corresponding comment.

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/mesa3d/Config.in

@@ -97,9 +97,6 @@ config BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_VIRGL
 	  virgl is the 3D acceleration backend for the virtio-gpu
 	  shipping with qemu.
 
-comment "DRI drivers need X.Org"
-	depends on !BR2_PACKAGE_XORG7
-
 comment "DRI drivers"
 
 config BR2_PACKAGE_MESA3D_DRI_DRIVER_SWRAST