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/render/ps2/SDL_render_ps2.c

@@ -676,5 +676,3 @@ SDL_RenderDriver PS2_RenderDriver = {
 };
 
 #endif /* SDL_VIDEO_RENDER_PS2 */
-
-/* vi: set ts=4 sw=4 expandtab: */