Removed unused dev dependencies
Removed unused dev dependencies

OzTK/elm-express-boilerplate,OzTK/elm-express-typescript-webpack-boilerplate,OzTK/elm-express-typescript-webpack-boilerplate,OzTK/elm-express-boilerplate,OzTK/elm-express-typescript-webpack-boilerplate,OzTK/elm-express-boilerplate