util: Remove dead, unused utility functions
util: Remove dead, unused utility functions

mbebenita/shumway,mbebenita/shumway,mozilla/shumway,tschneidereit/shumway,tschneidereit/shumway,mozilla/shumway,tschneidereit/shumway,tschneidereit/shumway,mbebenita/shumway,tschneidereit/shumway,mbebenita/shumway,mozilla/shumway,yurydelendik/shumway,mbebenita/shumway,tschneidereit/shumway,yurydelendik/shumway,yurydelendik/shumway,mozilla/shumway,mbebenita/shumway,mbebenita/shumway,mozilla/shumway,yurydelendik/shumway,mozilla/shumway,mbebenita/shumway,mozilla/shumway,yurydelendik/shumway,tschneidereit/shumway,yurydelendik/shumway,yurydelendik/shumway,mozilla/shumway,tschneidereit/shumway,yurydelendik/shumway