remove unused code, clarify why
remove unused code, clarify why

h2o/h2o,devnexen/h2o,yannick/h2o,devnexen/h2o,devnexen/h2o,devnexen/h2o,h2o/h2o,yannick/h2o,h2o/h2o,yannick/h2o,h2o/h2o,h2o/h2o,yannick/h2o,yannick/h2o,yannick/h2o,devnexen/h2o,devnexen/h2o,devnexen/h2o,yannick/h2o,yannick/h2o,yannick/h2o,devnexen/h2o,devnexen/h2o,h2o/h2o,h2o/h2o,h2o/h2o,h2o/h2o