Removed the vi format comments from the source

Vim users can use the [editorconfig plugin](https://github.com/editorconfig/editorconfig-vim) to automatically set tab spacing for the SDL coding style.

Fixes https://github.com/libsdl-org/SDL/issues/6903

src/core/linux/SDL_evdev_kbd.c

@@ -851,5 +851,3 @@ void SDL_EVDEV_kbd_quit(SDL_EVDEV_keyboard_state *state)
 }
 
 #endif /* SDL_INPUT_LINUXKD */
-
-/* vi: set ts=4 sw=4 expandtab: */