remove unused function
remove unused function

xvilan/tangram,ceseale/tangram,TitoAgudelo/tangram,zerebubuth/tangram,tangrams/tangram,DHaylock/tangram,ceseale/tangram,xvilan/tangram,tangrams/tangram,taylorhxu/tangram,rosamcgee/tangram,rosamcgee/tangram,DHaylock/tangram,zerebubuth/tangram,xvilan/tangram,taylorhxu/tangram,TitoAgudelo/tangram,rosamcgee/tangram,TitoAgudelo/tangram,ceseale/tangram,DHaylock/tangram,zerebubuth/tangram,taylorhxu/tangram