Remove Win Aura bots from the buildbot and tryservers since they're now redundant as trunk Windows …

masters/master.tryserver.chromium/master.cfg

Index: masters/master.tryserver.chromium/master.cfg
===================================================================
--- masters/master.tryserver.chromium/master.cfg	(revision 234533)
+++ masters/master.tryserver.chromium/master.cfg	(working copy)
@@ -701,6 +701,7 @@
   'courgette_br',
   'crypto_br',
   'device_unittests_br',
+  'events_br',
   'googleurl_br',
   'gpu_br',
   'installer_br',
@@ -1687,37 +1688,6 @@
                           ' component=shared_library')}})
 }
 
-b_win7_aura = CreateBuilder(
-    platform='win32',
-    target='Release',
-    builder_name='win7_aura',
-    options=['aura_builder'],
-    tests=[
-      'app_list_unittests_br',
-      'ash_unittests_br',
-      'aura_br',
-      'browser_tests_br',
-      'buildrunner_tests',
-      'chrome_frame_net_tests_br',
-      'chrome_frame_tests_br',
-      'chrome_frame_unittests_br',
-      'compositor_br',
-      'content_browsertests_br',
-      'content_unittests_br',
-      'device_unittests_br',
-      'events_br',
-      'interactive_ui_tests_br',
-      'keyboard_unittests',
-      'unit_unit_br',
-      'views_br',
-    ],
-    goma=True,
-    factory_properties={
-      'gclient_env': {
-        'GYP_DEFINES': 'use_aura=1',
-      },
-    })
-
 # this matches the bot on the main waterfall soon
 b_win8_aura = CreateBuilder(
     platform='win32',
@@ -2220,7 +2190,7 @@
   b_win_chrome_frame,
 ] + b_swarms + [
   b_linux_chromeos_clang,
-  b_linux_futura, b_linux_aura, b_win7_aura, b_win8_aura,
+  b_linux_futura, b_linux_aura, b_win8_aura,
   b_linux_asan, b_linux_browser_asan, b_linux_clang_tsan,
   b_linux_chromeos_asan,
   b_mac_asan, b_mac_asan_64, b_mac_xcodebuild,