Delete unused util function
Delete unused util function

bbci/bbci_public,drsternburg/bbci_public,svendaehne/bbci_public,bbci/bbci_public,IrinaNicolae/bbci_public,IrinaNicolae/bbci_public,drsternburg/bbci_public,svendaehne/bbci_public,svendaehne/bbci_public,drsternburg/bbci_public,IrinaNicolae/bbci_public,bbci/bbci_public