[AAE-13305] remove unused authpath (#9294)

docs/core/components/login.component.md

@@ -195,7 +195,6 @@ You can access an external provider to get an auth token for a user:
 {
     "oauth2" : {
       "host": "http://myhost.com",
-      "authPath": "/my-custom-auth/token",
       "clientId": "my-client-id",
       "secret": ""
     }

lib/core/src/lib/app-config/app.config.schema.json

@@ -1527,9 +1527,6 @@
         "silentLogin": {
           "type": ["boolean", "string"]
         },
-        "authPath": {
-          "type": "string"
-        },
         "clientId": {
           "type": "string",
           "description": "The client's id as registered with the auth server"

lib/js-api/docs/authentication.md

@@ -195,8 +195,6 @@ const alfrescoApi = new AlfrescoApi({
 
 #### Password Flow
 
-If your auth endpoint is different from the standard one "/oauth/token" you can override it through the property authPath
-
 **Example**
 
 ```javascript
@@ -204,8 +202,7 @@ const alfrescoApi = new AlfrescoApi({
     oauth2: {
         host: 'HOST_OAUTH2_SERVER',
         clientId: 'YOUR_CLIENT_ID',
-        secret: 'SECRET',
-        authPath:'my-custom-auth-endpoint/token'
+        secret: 'SECRET'
     },
     authType: 'OAUTH',
     provider: 'ALL'