linter fixes

inc/window/window.intro.lua

@@ -1,9 +1,9 @@
-function IntroWindow.draw() 
+function IntroWindow.draw()
   local x = (Config.screen.width - 132) / 2 -- Centered text
   Print.text(Context.intro.text, x, Context.intro.y, Config.colors.green)
 end
 
-function IntroWindow.update() 
+function IntroWindow.update()
   Context.intro.y = Context.intro.y - Context.intro.speed
 
   -- Count lines in intro text to determine when scrolling is done
@@ -21,5 +21,4 @@ function IntroWindow.update()
   if Input.menu_confirm() then
     GameWindow.set_state(WINDOW_MENU)
   end
-end
-
+end