docs: Fix param call on SDL_SetEventFilter.

https://wiki.libsdl.org/SDL3/README-documentation-rules#dont-repeat-type-names-in-param-and-returns-sections

include/SDL3/SDL_events.h

@@ -1412,7 +1412,7 @@ typedef bool (SDLCALL *SDL_EventFilter)(void *userdata, SDL_Event *event);
  * the event filter, but events pushed onto the queue with SDL_PeepEvents() do
  * not.
  *
- * \param filter an SDL_EventFilter function to call when an event happens.
+ * \param filter a function to call when an event happens.
  * \param userdata a pointer that is passed to `filter`.
  *
  * \threadsafety It is safe to call this function from any thread.