Use vertex pulling for clouds

src/Data/Preload/Render.hs

@@ -55,7 +55,7 @@ data RenderData = RenderData
     , _wallVBO :: VBO
     , _cloudVBO :: VBO
     , _cloudShader :: Shader
-    , _cloudEBO :: UintBO
+--    , _cloudEBO :: UintBO
     , _screenTextureVAO :: VAO
     , _dummyVAO :: VAO
     }