remove unused function isAnyConfigMapRef
remove unused function isAnyConfigMapRef

Well, no calls were being made to isAnyConfigMapRef(), hence this
commit removes this function

cdrage/kedge,surajnarwade/kedge,kedgeproject/kedge,kadel/kedge,ashetty1/kedge,kedgeproject/kedge,surajnarwade/kedge,kedgeproject/kedge,surajnarwade/kedge,cdrage/kedge,cdrage/kedge,kadel/kedge,ashetty1/kedge