PG - removed materials from matlib

Playground/index2_5.html

@@ -22,34 +22,6 @@
     <script src="js/v2.5/babylon.2.5.canvas2d.js"></script>
     <script src="https://www.babylonjs.com/babylon.inspector.bundle.js"></script>
 
-    <script src="https://www.babylonjs.com/lib/babylon.fireMaterial.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.waterMaterial.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.lavaMaterial.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.normalMaterial.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.skyMaterial.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.triPlanarMaterial.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.terrainMaterial.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.gradientMaterial.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.furMaterial.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.gridMaterial.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.shadowOnlyMaterial.min.js"></script>
-
-    <script src="https://www.babylonjs.com/lib/babylon.brickProceduralTexture.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.cloudProceduralTexture.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.fireProceduralTexture.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.grassProceduralTexture.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.marbleProceduralTexture.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.roadProceduralTexture.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.starfieldProceduralTexture.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.woodProceduralTexture.min.js"></script>
-
-    <script src="https://www.babylonjs.com/lib/babylon.asciiArtPostProcess.min.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.digitalRainPostProcess.min.js"></script>
-
-    <script src="https://www.babylonjs.com/lib/babylon.glTFFileLoader.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.objFileLoader.js"></script>
-    <script src="https://www.babylonjs.com/lib/babylon.stlFileLoader.js"></script>
-
     <script src="https://rawgit.com/BabylonJS/Extensions/master/ClonerSystem/src/babylonx.cloner.js"></script>
     <link href="css/index.css" rel="stylesheet" />
 </head>