Update server-url

res/values/setup.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="server_url">https://bwlsdf-owncloud1.lsdf.kit.edu/oc-shib-test</string>
+    <string name="server_url"></string>
     <bool name="show_server_url_input">true</bool>
     
     <!-- Flags to setup the authentication methods available in the app -->