fix(docs): move to new client docs URL (#263)

Author: Benjamin E. Coe

packages/google-cloud-language/.repo-metadata.json

@@ -2,13 +2,12 @@
   "name": "language",
   "name_pretty": "Natural Language",
   "product_documentation": "https://cloud.google.com/natural-language/docs/",
-  "client_documentation": "https://cloud.google.com/nodejs/docs/reference/language/latest/",
+  "client_documentation": "https://googleapis.dev/nodejs/language/latest",
   "issue_tracker": "https://issuetracker.google.com/savedsearches/559753",
   "release_level": "ga",
   "language": "nodejs",
   "repo": "googleapis/nodejs-language",
   "distribution_name": "@google-cloud/language",
   "api_id": "language.googleapis.com",
   "requires_billing": true
-}
-
+}

packages/google-cloud-language/README.md

@@ -133,7 +133,7 @@ Apache Version 2.0
 
 See [LICENSE](https://github.com/googleapis/nodejs-language/blob/master/LICENSE)
 
-[client-docs]: https://cloud.google.com/nodejs/docs/reference/language/latest/
+[client-docs]: https://googleapis.dev/nodejs/language/latest
 [product-docs]: https://cloud.google.com/natural-language/docs/
 [shell_img]: https://gstatic.com/cloudssh/images/open-btn.png
 [projects]: https://console.cloud.google.com/project