Delete unused file.
Delete unused file.

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