docs: update operator deployment

docs/middleware/oauth.md

@@ -74,36 +74,3 @@ nav_order: 5
       middlewares:
         - oauth-authentik
 ```
-
-## Advanced Kubernetes deployment
-
-```yaml
-apiVersion: gomaproj.github.io/v1beta1
-kind: Middleware
-metadata:
-  name: oauth-middleware-sample
-spec:
-    type: oauth
-    paths:
-      - /protected
-      - /example-of-oauth
-    rule:
-      clientId: xxx
-      clientSecret: xxx
-      # oauth provider google, gitlab, github, amazon, facebook, custom
-      provider: custom
-      endpoint:
-        authUrl: https://authentik.example.com/application/o/authorize/
-        tokenUrl: https://authentik.example.com/application/o/token/
-        userInfoUrl: https://authentik.example.com/application/o/userinfo/
-      redirectUrl: https://example.com/callback
-      #RedirectPath is the PATH to redirect users after authentication, e.g: /my-protected-path/dashboard
-      redirectPath: ''
-      #CookiePath e.g.: /my-protected-path or / || by default is applied on a route path
-      cookiePath: "/"
-      scopes:
-        - email
-        - openid
-      state: randomStateString
-      jwtSecret: your-strong-jwt-secret | It's optional
-```