Don't use auto generated .gclient.

The managed mode of gclient no longer works after git migration of Chromium.

vendor/chromium/.gclient

@@ -0,0 +1 @@
+solutions = [{u'managed': False, u'name': u'src', u'url': u'https://chromium.googlesource.com/chromium/src.git', u'custom_deps': {}, u'deps_file': u'.DEPS.git', u'safesync_url': u''}]

vendor/chromium/.gclient.in

@@ -1,24 +0,0 @@
-# An element of this array (a "solution") describes a repository directory
-# that will be checked out into your working copy.  Each solution may
-# optionally define additional dependencies (via its DEPS file) to be
-# checked out alongside the solution's directory.  A solution may also
-# specify custom dependencies (via the "custom_deps" property) that
-# override or augment the dependencies specified by the DEPS file.
-solutions = [
-  { "name"        : "{{VERSION}}",
-    "url"         : "http://src.chromium.org/chrome/releases/{{VERSION}}",
-    "custom_deps" : {
-      # To use the trunk of a component instead of what's in DEPS:
-      #"component": "https://svnserver/component/trunk/",
-      # To exclude a component from your working copy:
-      #"data/really_large_component": None,
-      "src/content/test/data/layout_tests/LayoutTests": None,
-      "src/chrome/tools/test/reference_build/chrome_win": None,
-      "src/chrome_frame/tools/test/reference_build/chrome_win": None,
-      "src/chrome/tools/test/reference_build/chrome_linux": None,
-      "src/chrome/tools/test/reference_build/chrome_mac": None,
-      "src/third_party/hunspell_dictionaries": None,
-      "src/third_party/WebKit/LayoutTests/w3c/web-platform-tests": None,
-    },
-  },
-]

vendor/chromium/.gitignore

@@ -1,3 +1,2 @@
 /src/
-/.gclient
 /.gclient_entries