[mutter] cogl: Remove unused _cogl_xlib_renderer_get_dispatch_timeout

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit c36c86598704defd76e07b99cc3ccd5f038d6cb5
Author: Adam Jackson <ajax redhat com>
Date:   Thu Oct 24 16:10:48 2019 -0400

    cogl: Remove unused _cogl_xlib_renderer_get_dispatch_timeout
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/885

 cogl/cogl/cogl-xlib-renderer-private.h |  3 ---
 cogl/cogl/cogl-xlib-renderer.c         | 16 ----------------
 cogl/cogl/cogl.c                       |  1 -
 3 files changed, 20 deletions(-)
---
diff --git a/cogl/cogl/cogl-xlib-renderer-private.h b/cogl/cogl/cogl-xlib-renderer-private.h
index 625323bdb..edfa189b7 100644
--- a/cogl/cogl/cogl-xlib-renderer-private.h
+++ b/cogl/cogl/cogl-xlib-renderer-private.h
@@ -92,9 +92,6 @@ _cogl_xlib_renderer_untrap_errors (CoglRenderer *renderer,
 CoglXlibRenderer *
 _cogl_xlib_renderer_get_data (CoglRenderer *renderer);
 
-int64_t
-_cogl_xlib_renderer_get_dispatch_timeout (CoglRenderer *renderer);
-
 CoglOutput *
 _cogl_xlib_renderer_output_for_rectangle (CoglRenderer *renderer,
                                           int x,
diff --git a/cogl/cogl/cogl-xlib-renderer.c b/cogl/cogl/cogl-xlib-renderer.c
index 53b4b050a..704aba894 100644
--- a/cogl/cogl/cogl-xlib-renderer.c
+++ b/cogl/cogl/cogl-xlib-renderer.c
@@ -597,22 +597,6 @@ cogl_xlib_renderer_remove_filter (CoglRenderer *renderer,
                                        (CoglNativeFilterFunc)func, data);
 }
 
-int64_t
-_cogl_xlib_renderer_get_dispatch_timeout (CoglRenderer *renderer)
-{
-  CoglXlibRenderer *xlib_renderer = _cogl_xlib_renderer_get_data (renderer);
-
-  if (renderer->xlib_enable_event_retrieval)
-    {
-      if (XPending (xlib_renderer->xdpy))
-        return 0;
-      else
-        return -1;
-    }
-  else
-    return -1;
-}
-
 CoglOutput *
 _cogl_xlib_renderer_output_for_rectangle (CoglRenderer *renderer,
                                           int x,
diff --git a/cogl/cogl/cogl.c b/cogl/cogl/cogl.c
index 279d5b689..6d83e523a 100644
--- a/cogl/cogl/cogl.c
+++ b/cogl/cogl/cogl.c
@@ -53,7 +53,6 @@
 #include "cogl1-context.h"
 #include "cogl-offscreen.h"
 #include "winsys/cogl-winsys-private.h"
-#include "deprecated/cogl-clutter.h"
 
 #include "deprecated/cogl-framebuffer-deprecated.h"