remove duplicated

.vscode/launch.json

@@ -81,7 +81,7 @@
                 "--enable-unsafe-es3-apis"
             ]
         },
-        {
+        { 
             "name": "Launch playground (Edge)",
             "type": "edge",
             "version": "dev",

Playground/public/scenes/Box/Box.obj

@@ -1,52 +0,0 @@
-# 3ds Max Wavefront OBJ Exporter v0.97b - (c)2007 guruware
-# File Created: 29.06.2018 00:36:27
-
-mtllib Box.mtl
-
-#
-# object Box001
-#
-
-v  -13.8390 0.0000 16.0985
-v  -13.8390 0.0000 -16.1733
-v  13.2327 0.0000 -16.1733
-v  13.2327 0.0000 16.0985
-v  -13.8390 23.5656 16.0985
-v  13.2327 23.5656 16.0985
-v  13.2327 23.5656 -16.1733
-v  -13.8390 23.5656 -16.1733
-# 8 vertices
-
-vn -0.5774 -0.5774 0.5774
-vn -0.5774 -0.5774 -0.5774
-vn 0.5774 -0.5774 -0.5774
-vn 0.5774 -0.5774 0.5774
-vn -0.5774 0.5774 0.5774
-vn 0.5774 0.5774 0.5774
-vn 0.5774 0.5774 -0.5774
-vn -0.5774 0.5774 -0.5774
-# 8 vertex normals
-
-vt 1.0000 0.0000 0.0000
-vt 1.0000 1.0000 0.0000
-vt 0.0000 1.0000 0.0000
-vt 0.0000 0.0000 0.0000
-# 4 texture coords
-
-o Box001
-g Box001
-usemtl 01___Default
-s 2
-f 1/1/1 2/2/2 3/3/3 4/4/4 
-s 4
-f 5/4/5 6/1/6 7/2/7 8/3/8 
-s 8
-f 1/4/1 4/1/4 6/2/6 5/3/5 
-s 16
-f 4/4/4 3/1/3 7/2/7 6/3/6 
-s 32
-f 3/4/3 2/1/2 8/2/8 7/3/7 
-s 64
-f 2/4/2 1/1/1 5/2/5 8/3/8 
-# 6 polygons
-