bugfix

scenario:
  delete config from save dir
  run the app
  quit
  run the app again

After the stupid typo in the previous commit the app was stuck emitting
errors during the second run.

main.lua

@@ -104,7 +104,6 @@ end
 
 function load_settings()
   local settings = json.decode(love.filesystem.read('config'))
-  love.graphics.setFont(love.graphics.newFont(font_height))
   -- set up desired window dimensions and make window resizable
   _, _, App.screen.flags = App.screen.size()
   App.screen.flags.resizable = true