Remove dead code.
Remove dead code.

tsl3su/WorldMap_Choropleth,lyhpcha/topojson,youprofit/topojson,studiowangfei/topojson,ongerit/topojson,mbostock/topojson,hcxiong/topojson,koshlan/topojson,maxogden/topojson,btahir/topojson,ststeiger/topojson,AlpinHologramm/topojson,whoinlee/topojson