Removed unnecessary method (stub?) for adding images.

Images are deprecated on most browsers console.

lib/blocks/jsdebug.js

@@ -1,4 +1,4 @@
-
+/* globals blocks */
 var customTypes = {};
 
 blocks.debug = {
@@ -213,7 +213,7 @@ function addMethodReference(message, method, examplesExpanded) {
 
 function addCodeTree(message, codeTree) {
   var children = codeTree.children;
-  var lines;
+  //var lines;
   var child;
 
   message.beginSpan(highlightjs[codeTree.name]);
@@ -653,25 +653,6 @@ ConsoleMessage.prototype = {
     return this;
   },
 
-  addImage: function () {
-    (function () {
-      var faviconUrl = "http://d2c87l0yth4zbw.cloudfront.net/i/_global/favicon.png",
-        css = "background-image: url('" + faviconUrl + "');" +
-          "background-repeat: no-repeat;" +
-          "display: block;" +
-          "background-size: 13px 13px;" +
-          "padding-left: 13px;" +
-          "margin-left: 5px;",
-        text = "Do you like coding? Visit www.spotify.com/jobs";
-      if (navigator.userAgent.match(/chrome/i)) {
-        console.log(text + '%c', css);
-      } else {
-        console.log('%c   ' + text, css);
-      }
-    })();
-    return this;
-  },
-
   addElement: function (element) {
     this._currentSpan.children.push({
       type: 'element',
@@ -726,7 +707,7 @@ ConsoleMessage.prototype = {
         message = this._newMessage('groupEnd');
         message.text = ' ';
         messages.push(message);
-        messages.push(this._newMessage())
+        messages.push(this._newMessage());
         break;
       case 'span':
         this._printSpan(child, messages);