[glib] GRealThread: remove obsolete comment about gmain.c, which no longer has a copy

[Matthias Clasen <matthiasc src gnome org>]

commit d5f0ec1e8eb4523684e06efa306f54bafee3a117
Author: Simon McVittie <simon mcvittie collabora co uk>
Date:   Tue May 24 15:59:33 2011 +0100

    GRealThread: remove obsolete comment about gmain.c, which no longer has a copy
    
    Bug: https://bugzilla.gnome.org/show_bug.cgi?id=642026
    Bug-NB: NB#257512

 glib/gthread.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/glib/gthread.c b/glib/gthread.c
index 1b0d751..d32782f 100644
--- a/glib/gthread.c
+++ b/glib/gthread.c
@@ -258,7 +258,6 @@ g_thread_error_quark (void)
 }
 
 /* Miscellaneous Structures {{{1 ------------------------------------------ */
-/* Keep this in sync with GRealThread in gmain.c! */
 typedef struct _GRealThread GRealThread;
 struct  _GRealThread
 {