removed extra spaces in 2715

Author: rustykitty

2715-timeout-cancellation.js

@@ -29,14 +29,14 @@ var cancellable = function(fn, args, t) {
  *      const diff = Math.floor(performance.now() - start);
  *      result.push({"time": diff, "returned": fn(...argsArr)});
  *  }
- *       
+ *
  *  const cancel = cancellable(log, args, t);
  *
  *  const maxT = Math.max(t, cancelTimeMs);
- *           
+ *
  *  setTimeout(cancel, cancelTimeMs);
  *
  *  setTimeout(() => {
  *      console.log(result); // [{"time":20,"returned":10}]
  *  }, maxT + 15)
- */
+ */