Remove OAuth (unused)

CloudronManifest.json

@@ -16,8 +16,7 @@
     "localstorage": {},
     "sendmail": {},
     "redis": {},
-    "ldap": {},
-    "oauth": {}
+    "ldap": {}
   },
   "tcpPorts": {
     "SFTP_PORT": {

index.php

@@ -115,7 +115,6 @@ cloudron logs -f
   <li><a href="https://cloudron.io/references/addons.html#sendmail" target="_blank">sendmail</a></li>
   <li><a href="https://cloudron.io/references/addons.html#redis" target="_blank">redis</a></li>
   <li><a href="https://cloudron.io/references/addons.html#ldap" target="_blank">ldap</a></li>
-  <li><a href="https://cloudron.io/references/addons.html#oauth" target="_blank">oauth</a></li>
 </ul>
 <p>Read more about Cloudron addons and how to use them <a href="https://cloudron.io/references/addons.html" target="_blank">here</a>.</p>