aura/ozone: Remove dep on events_ozone, remove and #include

ui/aura/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import ("//build/config/ui.gni")
 
 component("aura") {
   sources = [
     "client/aura_constants.cc",
     "client/aura_constants.h",
@@ skipping 122 matching lines @@
     ]
   }
 
   if (use_ozone) {
     sources += [
       "window_tree_host_ozone.cc",
       "window_tree_host_ozone.h",
     ]
 
     deps += [
-      "//ui/events/ozone:events_ozone",
       "//ui/ozone",
     ]
   }
 }
 
 source_set("test_support") {
   testonly = true
   sources = [
     "test/aura_test_base.cc",
     "test/aura_test_base.h",
@@ skipping 148 matching lines @@
     "//ui/gfx/geometry",
     "//ui/gl",
   ]
 
   if (is_linux) {
     deps += [
       "//third_party/mesa",
     ]
   }
 }