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/sensor/n3ds/SDL_n3dssensor.c

@@ -205,5 +205,3 @@ SDL_SensorDriver SDL_N3DS_SensorDriver = {
 };
 
 #endif /* SDL_SENSOR_N3DS */
-
-/* vi: set ts=4 sw=4 expandtab: */