fix crash with compiled VS2022 binary

- apparently, freeing data->samples from free_ongakukan_adp (ongakukan_adp_decoder.c) causes heap corruption everywhere because it was already freed to begin with!
-- removing the offending line of code will no longer crash VS2022 builds of vgmstream.

src/coding/ongakukan_adp_decoder.c

@@ -79,7 +79,6 @@ void free_ongakukan_adp(ongakukan_adp_data* data)
     if (!data) return;
     close_streamfile(data->sf);
     ongakukan_adpcm_free(data->handle);
-    free(data->samples);
     free(data);
 }