remove oauth

kube-prometheus-stack/values.yaml

@@ -38,9 +38,7 @@ kube-prometheus-stack:
       annotations:
         cert-manager.io/cluster-issuer: letsencrypt-production
         kubernetes.io/ingress.class: nginx
-        nginx.ingress.kubernetes.io/auth-response-headers: Authorization
-        nginx.ingress.kubernetes.io/auth-url: http://oauth2-proxy.oauth2-proxy.svc.cluster.local/oauth2/auth
-        nginx.ingress.kubernetes.io/auth-signin: https://oauth.durp.info/oauth2/start?rd=https://$host$request_uri$is_args$args        
+        nginx.ingress.kubernetes.io/auth-response-headers: Authorization     
       hosts:
         - alertmanager.durp.info
       paths: