Revert "launcher: Put in some markers to help diff make a readable patch"

The markers have fulfilled their purpose.

src/backends/native/meta-launcher.c

@@ -53,8 +53,6 @@ struct _MetaLauncher
   gboolean session_active;
 };
 
-/* AAA BBB CCC */
-
 static Login1Session *
 get_session_proxy (GCancellable *cancellable)
 {
@@ -87,8 +85,6 @@ get_seat_proxy (GCancellable *cancellable)
                                              cancellable, NULL);
 }
 
-/* QQQ RRR SSS */
-
 static void
 session_unpause (void)
 {
@@ -257,8 +253,6 @@ on_evdev_device_close (int      fd,
     }
 }
 
-/* TTT UUU VVV */
-
 static void
 sync_active (MetaLauncher *self)
 {
@@ -311,8 +305,6 @@ get_kms_fd (Login1Session *session_proxy,
   return TRUE;
 }
 
-/* XXX YYY ZZZ */
-
 MetaLauncher *
 meta_launcher_new (void)
 {