Revert "Merge branch 'sh-enable-nginx-x-forwarded-for' into 'main'"

This reverts commit 46eecbb9, reversing changes made to a88f1fa4.

Update docs to set use-forwarded-for in Helm Chart.

This ensures the ConfigMap is populated with the right value: https://kubernetes.github.io/ingress-nginx/user-guide/nginx-configuration/configmap/