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/android/SDL_android.h

@@ -144,5 +144,3 @@ void Android_ActivityMutex_Lock_Running(void);
 }
 /* *INDENT-ON* */
 #endif
-
-/* vi: set ts=4 sw=4 expandtab: */