remove pg dist resources

Playground/index.html

@@ -25,11 +25,11 @@
         <meta name="msapplication-config" content="https://www.babylonjs.com/img/favicon/browserconfig.xml">
         <meta name="theme-color" content="#ffffff">
 
-        <script src="https://code.jquery.com/pep/0.4.2/pep.min.js"></script>
+        <script src="js/libs/pep.min.js"></script>
         <!--For canvas/code separator-->
         <script src="js/libs/split.js"></script>
 
-        <script src="https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.6.2/dat.gui.min.js"></script>
+        <script src="js/libs/dat.gui.min.js"></script>
         <!-- jszip -->
         <script src="js/libs/jszip.min.js"></script>
         <script src="js/libs/fileSaver.js"></script>
@@ -484,7 +484,7 @@
             <img src="waitlogo.png" id="waitLogo" />
         </div>
 
-        <script src="https://code.jquery.com/jquery.js"></script>
+        <script src="js/libs/jquery.min.js"></script>
 
         <script src="js/actions.js"></script>
         <script src="js/pbt.js"></script>