Add d8 .gitignore and remove svn deps for d8

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 33 matching lines @@
   "charcode_tag": "@1.1.0",
   "chrome_rev" : "@19997",
   "clang_rev" : "@28450",
   "cli_util_tag" : "@0.0.1+2",
   "collection_rev": "@1da9a07f32efa2ba0c391b289e2037391e31da0e",
   "crypto_rev" : "@2df57a1e26dd88e8d0614207d4b062c73209917d",
   "csslib_tag" : "@0.12.0",
   "async_await_rev" : "@8b401a9f2e5e81dca5f70dbe7564112a0823dee6",
   "dart_services_rev" : "@7aea2574e6f3924bf409a80afb8ad52aa2be4f97",
   "dart_style_tag": "@0.1.8",
-  "d8_rev" : "@39739",
   "fake_async_rev" : "@38614",
   "firefox_jsshell_rev" : "@45554",
   "glob_rev": "@704cf75e4f26b417505c5c611bdaacd8808467dd",
   "gsutil_rev" : "@33376",
   "html_tag" : "@0.12.1+1",
   "http_rev" : "@9b93e1542c753090c50b46ef1592d44bc858bfe7",
   "http_multi_server_tag" : "@1.3.2",
   "http_parser_rev" : "@8b179e36aba985208e4c5fb15cfddd386b6370a4",
   "http_throttle_rev" : "@a81f08be942cdd608883c7b67795c12226abc235",
   "idl_parser_rev": "@6316d5982dc24b34d09dd8b10fbeaaff28d83a48",
@@ skipping 90 matching lines @@
   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/d8":
-      Var("third_party") + "/d8" + Var("d8_rev"),
   Var("dart_root") + "/third_party/WebCore":
       Var("third_party") + "/WebCore" + Var("WebCore_rev"),
   Var("dart_root") + "/third_party/observatory_pub_packages":
       Var("third_party") + "/observatory_pub_packages" +
       Var("observatory_pub_packages_rev"),
 
   Var("dart_root") + "/third_party/dart-services":
       (Var("github_mirror") % "dart-services") +
       Var("dart_services_rev"),
 
@@ skipping 157 matching lines @@
       'download_from_google_storage',
       '--no_auth',
       '--no_resume',
       '--bucket',
       'dart-dependencies',
       '-d',
       '-r',
       Var('dart_root') + '/tools/testing/bin',
     ],
   },
+  {
+    'name': 'd8_testing_binaries',
+    'pattern': '.',
+    'action': [
+      'download_from_google_storage',
+      '--no_auth',
+      '--no_resume',
+      '--bucket',
+      'dart-dependencies',
+      '-d',
+      '-r',
+      Var('dart_root') + '/third_party/d8',
+    ],
+  },
+
 ]