fix: delete downloaded song file after it has been loaded

Author: Bentroen

scripts/download_song_from_url/download_song_from_url.gml

@@ -24,6 +24,7 @@ function download_song_from_url() {
 			if (song_total_size > 0 && file_get_size(song_download_file) == song_total_size) {
 				song_downloaded_size = song_total_size; // prevent freezing under 100%
 				load_song(song_download_file);
+				files_delete_lib(song_download_file);
 			} else {
 				if (language != 1) {
 					show_message("The song could not be downloaded! Please try again with a different song.");