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/windows/SDL_windows.h

@@ -157,5 +157,3 @@ extern void WIN_RectToRECT(const SDL_Rect *sdlrect, RECT *winrect);
 #endif
 
 #endif /* _INCLUDED_WINDOWS_H */
-
-/* vi: set ts=4 sw=4 expandtab: */