Rewmoved unecessary credentials, link to non-existing documentation and fixed config path to application yaml-file instead of config folder

json/ownfoil.json

@@ -9,10 +9,10 @@
    "privileged":false,
    "updateable":true,
    "interface_port":8465,
-   "documentation":"https://github.com/a1ex4/ownfoil",
+   "documentation":null,
    "website":"https://github.com/a1ex4/ownfoil",
    "logo":null,
-   "config_path":"/opt/ownfoil/app/config",
+   "config_path":"/opt/ownfoil/app/config/settings.yaml",
    "install_methods_json":[
       {
          "type":"default",
@@ -26,10 +26,6 @@
          }
       }
    ],
-   "default_credentials":{
-      "username":null,
-      "password":null
-   },
    "notes_json":[
       {
          "text":"Ownfoil requires an admin user to be created to enable Authentication. Go to the Settings tab to create a first user that will have admin rights.",