code: @Help(help = "remove VNFCInstance. Aka SCALE IN")
    public void deleteVNFCInstance(final String idNsr, final String idVnfr) throws SDKException {
      String url = idNsr + "/vnfrecords/" + idVnfr + "/vdunits/vnfcinstances";
      requestDelete(url);
    }
docs: Delete a VNFCInstance from a VirtualNetworkFunctionRecord. This operation is also called
  scaling in. This method does not require you to specify the VirtualDeploymentUnit from which a
  VNFCInstance shall be deleted.
  
  @param idNsr the ID of the NetworkServiceRecord from which a VNFCInstance shall be deleted
  @param idVnfr the ID of the VirtualNetworkFunctionRecord from which a VNFCInstance shall be
  deleted
  @throws SDKException if the request fails