Update index.html

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Playground/index.html

@@ -52,7 +52,6 @@
     <!-- Monaco -->
     <script src="node_modules/monaco-editor/min/vs/loader.js"></script>
 
-
     <!-- Extensions -->
     <script src="https://rawgit.com/BabylonJS/Extensions/master/ClonerSystem/src/babylonx.cloner.js" async></script>
     <script src="https://rawgit.com/BabylonJS/Extensions/master/CompoundShader/src/babylonx.CompoundShader.js" async></script>