[mutter] Revert "main: Add --x11 command line argument"

[Jonas Ådahl <jadahl src gnome org>]

commit a75e2ace8289923a41db2b7cec82f6544efb3b41
Author: Jonas Ådahl <jadahl gmail com>
Date:   Wed Jul 20 17:45:18 2016 +0800

    Revert "main: Add --x11 command line argument"
    
    This reverts commit feb4c36659bd1ed0d545424b8f5213120ade19c2.

 src/core/main.c |   27 +++------------------------
 1 files changed, 3 insertions(+), 24 deletions(-)
---
diff --git a/src/core/main.c b/src/core/main.c
index 063a101..c0a7aa5 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -167,7 +167,6 @@ static gchar    *opt_client_id;
 static gboolean  opt_replace_wm;
 static gboolean  opt_disable_sm;
 static gboolean  opt_sync;
-static gboolean  opt_x11;
 #ifdef HAVE_WAYLAND
 static gboolean  opt_wayland;
 static gboolean  opt_nested;
@@ -212,12 +211,6 @@ static GOptionEntry meta_options[] = {
     N_("Make X calls synchronous"),
     NULL
   },
-  {
-    "x11", 0, 0, G_OPTION_ARG_NONE,
-    &opt_x11,
-    N_("Run as a X11 compositing manager"),
-    NULL
-  },
 #ifdef HAVE_WAYLAND
   {
     "wayland", 0, 0, G_OPTION_ARG_NONE,
@@ -383,34 +376,20 @@ calculate_compositor_configuration (MetaCompositorType *compositor_type,
                                     MetaBackendType    *backend_type)
 {
 #ifdef HAVE_WAYLAND
-  gboolean run_as_wayland_compositor;
-
-  if (opt_x11 && opt_nested)
-    {
-      meta_warning ("Can't run both as a Wayland compositor and a X11 compositing manager\n");
-      meta_exit (META_EXIT_ERROR);
-    }
-
-  run_as_wayland_compositor = opt_wayland || !opt_x11;
+  gboolean run_as_wayland_compositor = opt_wayland;
 
 #ifdef HAVE_NATIVE_BACKEND
-  if (opt_x11 && opt_display_server)
-    {
-      meta_warning ("Can't run both as a Wayland compositor and a X11 compositing manager\n");
-      meta_exit (META_EXIT_ERROR);
-    }
-
   if (opt_nested && opt_display_server)
     {
       meta_warning ("Can't run both as nested and as a display server\n");
       meta_exit (META_EXIT_ERROR);
     }
 
-  if (!run_as_wayland_compositor && !opt_x11)
+  if (!run_as_wayland_compositor)
     run_as_wayland_compositor = check_for_wayland_session_type ();
 
 #ifdef CLUTTER_WINDOWING_EGL
-  if (opt_display_server || (run_as_wayland_compositor && !opt_nested && !opt_x11))
+  if (opt_display_server || (run_as_wayland_compositor && !opt_nested))
     *backend_type = META_BACKEND_TYPE_NATIVE;
   else
 #endif