Remove the render throttle logic

                                     The render throttle prevents rendering in synchronous
                                     usecases, see issue #170.

Author: Marco Brack

lib/node-progress.js

@@ -114,9 +114,6 @@ ProgressBar.prototype.tick = function(len, tokens){
  */
 
 ProgressBar.prototype.render = function (tokens) {
-  clearTimeout(this.renderThrottleTimeout);
-  this.renderThrottleTimeout = null;
-
   if (tokens) this.tokens = tokens;
 
   if (!this.stream.isTTY) return;