[mutter] native: remove obsolete comment

[Ray Strode <halfline src gnome org>]

commit c13ddafdb84b13b268ab0b86e377a045aa53e89a
Author: Marek Chalupa <mchqwerty gmail com>
Date:   Mon Sep 7 10:06:58 2015 +0200

    native: remove obsolete comment
    
    There's not weston-launch anymore
    
    https://bugzilla.gnome.org/show_bug.cgi?id=753434

 src/backends/native/meta-backend-native.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/src/backends/native/meta-backend-native.c b/src/backends/native/meta-backend-native.c
index e1d66c1..96eb9fc 100644
--- a/src/backends/native/meta-backend-native.c
+++ b/src/backends/native/meta-backend-native.c
@@ -328,9 +328,7 @@ meta_backend_native_init (MetaBackendNative *native)
 {
   MetaBackendNativePrivate *priv = meta_backend_native_get_instance_private (native);
 
-  /* We're a display server, so start talking to weston-launch. */
   priv->launcher = meta_launcher_new ();
-
   priv->barrier_manager = meta_barrier_manager_native_new ();
 
   priv->up_client = up_client_new ();