Library only contains Pen extension

Removing WeDo extension for now

src/lib/libraries/extensions.json

@@ -5,13 +5,5 @@
         "md5": "1a2ec605e73000897797f0c851134f5b.png",
         "description": "Draw with your sprites.",
         "featured": "true"
-    },
-    {
-        "name": "Lego WeDo 2.0",
-        "extensionURL": "wedo2",
-        "md5": "d01a387d869d8fbe54ec3c094f1c4137.png",
-        "description": "Build with motors and sensors.",
-        "featured": "true"
-
     }
 ]