Drop Python 2 (1/n): remove unicode string and url_utils

searx/engines/yggtorrent.py

@@ -11,8 +11,8 @@
 from lxml import html
 from operator import itemgetter
 from datetime import datetime
+from urllib.parse import quote
 from searx.engines.xpath import extract_text
-from searx.url_utils import quote
 from searx.utils import get_torrent_size
 from searx.poolrequests import get as http_get