Disable GN.

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index 1ad4d952e22f2ae2c2828b3ba7bcfd082d3befb6..444d87aaf3848e4211ad9451a2b45aa50dd01838 100644
--- a/DEPS
+++ b/DEPS
@@ -666,51 +666,6 @@ hooks = [
                "-s", "src/third_party/WebKit",
                "-o", "src/build/util/LASTCHANGE.blink"],
   },
-  # Pull GN binaries. This needs to be before running GYP below.
-  {
-    "name": "gn_win",
-    "pattern": "src/tools/gn/bin/win/gn.exe.sha1",
-    "action": [ "download_from_google_storage",
-                "--no_resume",
-                "--platform=win32",
-                "--no_auth",
-                "--bucket", "chromium-gn",
-                "-s", "src/tools/gn/bin/win/gn.exe.sha1",
-    ],
-  },
-  {
-    "name": "gn_mac",
-    "pattern": "src/tools/gn/bin/mac/gn.sha1",
-    "action": [ "download_from_google_storage",
-                "--no_resume",
-                "--platform=darwin",
-                "--no_auth",
-                "--bucket", "chromium-gn",
-                "-s", "src/tools/gn/bin/mac/gn.sha1",
-    ],
-  },
-  {
-    "name": "gn_linux",
-    "pattern": "src/tools/gn/bin/linux/gn.sha1",
-    "action": [ "download_from_google_storage",
-                "--no_resume",
-                "--platform=linux*",
-                "--no_auth",
-                "--bucket", "chromium-gn",
-                "-s", "src/tools/gn/bin/linux/gn.sha1",
-    ],
-  },
-  {
-    "name": "gn_linux32",
-    "pattern": "src/tools/gn/bin/linux/gn32.sha1",
-    "action": [ "download_from_google_storage",
-                "--no_resume",
-                "--platform=linux*",
-                "--no_auth",
-                "--bucket", "chromium-gn",
-                "-s", "src/tools/gn/bin/linux/gn32.sha1",
-    ],
-  },
   # Pull clang-format binaries using checked-in hashes.
   {
     "name": "clang_format_win",