Remove runtime-configmap.yaml

There are 2 duplicate files with different names. Seems like one way or another, there should only be one. Also check if management-web needs similar fix.

https://github.com/suorcd/podverse/blob/feature/mr00/infra/k8s/base/web/configmap.yaml
https://github.com/suorcd/podverse/blob/feature/mr00/infra/k8s/base/web/runtime-configmap.yaml