[ozone/wayland] Fix use_gtk=false use_glib=false build

Drive by. Include isn't needed anymore.

R=thestig@chromium.org

Bug: 578890

Change-Id: I10763400301d6058a66bd280f01d4a2df059c6c7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2342571
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Auto-Submit: Antonio Gomes (GMT-4) <tonikitoo@igalia.com>
Cr-Commit-Position: refs/heads/master@{#795960}

chrome/browser/ui/views/frame/dbus_appmenu.cc

@@ -5,7 +5,6 @@
 #include "chrome/browser/ui/views/frame/dbus_appmenu.h"
 
 #include <dlfcn.h>
-#include <glib-object.h>
 #include <stddef.h>
 
 #include <limits>