remove old image-cache test file
remove old image-cache test file

vcapretz/esfiddle,esfiddle/esfiddle,joshghent/es6-fiddle-web,vcapretz/esfiddle,asiyani/esfiddle,joshghent/es6-fiddle-web,asiyani/esfiddle,esfiddle/esfiddle,collinmesser/esfiddle,esfiddle/esfiddle,collinmesser/esfiddle