Remove third_party/font-awesome and its use in site/try.

DEPS

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 vars = {
   # The dart_root is the root of our sdk checkout. This is normally
   # simply sdk, but if using special gclient specs it can be different.
   "dart_root": "sdk",
 
   # The svn location to pull out dependencies from
@@ skipping 94 matching lines @@
   "utf_rev": "@1f55027068759e2d52f2c12de6a57cce5f3c5ee6",
   "unittest_tag": "@0.11.6",
   "usage_rev": "@b5080dac0d26a5609b266f8fdb0d053bc4c1c638",
   "watcher_tag": "@0.9.7",
   "when_tag": "@0.2.0+2",
   "which_tag": "@0.1.3+1",
   "web_components_rev": "@0e636b534d9b12c9e96f841e6679398e91a986ec",
   "WebCore_rev" : "@44061",
   "yaml_tag": "@2.1.5",
   "zlib_rev": "@c3d0a6190f2f8c924a05ab6cc97b8f975bddd33f",
-  "font_awesome_rev": "@31824",
   "barback-0.13.0_rev": "@34853",
   "barback-0.14.0_rev": "@36398",
   "barback-0.14.1_rev": "@38525",
   "source_maps-0.9.4_rev": "@38524",
 }
 
 deps = {
   # Stuff needed for GYP to run.
   Var("dart_root") + "/third_party/gyp":
       Var('chromium_git') + '/external/gyp.git' + Var("gyp_rev"),
@@ skipping 26 matching lines @@
       Var("idl_parser_rev"),
 
   Var("dart_root") + "/third_party/7zip":
      Var("third_party") + "/7zip" + Var("7zip_rev"),
   Var("dart_root") + "/third_party/chrome":
       Var("third_party") + "/chrome" + Var("chrome_rev"),
   Var("dart_root") + "/third_party/pkg/fake_async":
       Var("third_party") + "/fake_async" + Var("fake_async_rev"),
   Var("dart_root") + "/third_party/firefox_jsshell":
       Var("third_party") + "/firefox_jsshell" + Var("firefox_jsshell_rev"),
-  Var("dart_root") + "/third_party/font-awesome":
-      Var("third_party") + "/font-awesome" + Var("font_awesome_rev"),
   Var("dart_root") + "/third_party/gsutil":
       Var("third_party") + "/gsutil" + Var("gsutil_rev"),
   Var("dart_root") + "/third_party/pkg/petitparser":
       Var("third_party") + "/petitparser" + Var("petitparser_rev"),
   Var("dart_root") + "/third_party/WebCore":
       Var("third_party") + "/WebCore" + Var("WebCore_rev"),
 
   Var("dart_root") + "/third_party/dart-services":
       (Var("github_mirror") % "dart-services") +
       Var("dart_services_rev"),
@@ skipping 211 matching lines @@
       "--bucket",
       "dart-dependencies",
       "--recursive",
       "--auto_platform",
       "--extract",
       "--directory",
       Var('dart_root') + "/tools/sdks",
     ],
   },
 ]