[QA] Remove old dav path for public link share

[S-Panta]

This step is imported from core but new ocis doesn't use old dav path for sharing via public link. Thus this should be removed

ocis/tests/acceptance/TestHelpers/WebDavHelper.php

Lines 874 to 880 in 2613876

	if ($davPathVersion === self::DAV_VERSION_OLD) {
	if ($type === "public-files") {
	// TODO: cleanup
	// this endpoint does not exist
	return self::prefixRemotePhp("public.php/webdav");
	}
	return self::prefixRemotePhp("webdav");