Remove dead function

ui/src/utils/queryUrlGenerator.js

@@ -1,11 +1,5 @@
 import AJAX from 'utils/ajax';
 
-// TODO: delete this once all references
-// to it have been removed
-export function buildInfluxUrl() {
-  return "You dont need me anymore";
-}
-
 export function proxy({source, query, db, rp}) {
   return AJAX({
     method: 'POST',