Remove username and password info from NOTES

helmchart/single-sign-on/templates/NOTES.txt

@@ -8,8 +8,4 @@ be managed via a user-panel application.
 The userpanel can be reached via https://{{ .Values.userpanel.ingress.host }}. An admin user
 was created for you using the credentials set in the values.yaml file of this helmchart.
 
-    User: {{ .Values.userbackend.username }}
-    Email address: {{ .Values.userbackend.email }}
-    Password: {{ .Values.userbackend.password }}
-
 Please make sure to change the password!