clean up and simplify main
clean up and simplify main

nukisman/elm-format-short,nukisman/elm-format-short,avh4/elm-format,fredcy/elm-format,avh4/elm-format,fredcy/elm-format,avh4/elm-format,nukisman/elm-format-short,fredcy/elm-format,nukisman/elm-format-short,nukisman/elm-format-short,avh4/elm-format