TagArchive: remove obsolete overload

src/TagArchive.cxx

@@ -47,18 +47,6 @@ tag_archive_scan(Path path, const TagHandler &handler, void *handler_ctx)
 	return tag_stream_scan(*is, handler, handler_ctx);
 }
 
-bool
-tag_archive_scan(Path path, TagBuilder &builder)
-{
-	assert(!path.IsNull());
-
-	Mutex mutex;
-	Cond cond;
-	InputStreamPtr is(OpenArchiveInputStream(path, mutex, cond,
-						 IgnoreError()));
-	return is && tag_stream_scan(*is, builder);
-}
-
 bool
 tag_archive_scan(ArchiveFile &archive, const char *path_utf8,
 		 TagBuilder &builder)