GitLab

Now that CLD is used on all platforms, let's remove ENABLE_LANGUAGE_DETECTION.

BUG=248454
TEST=unit_tests

Review URL: https://chromiumcodereview.appspot.com/18820002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@213361 0039d316-1c4b-4281-b951-d872f2087c98