[nozomi] remove slashes from search terms (fixes #2653)

gallery_dl/extractor/nozomi.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-# Copyright 2019-2021 Mike Fährmann
+# Copyright 2019-2022 Mike Fährmann
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 as
@@ -201,6 +201,7 @@ class NozomiSearchExtractor(NozomiExtractor):
             return decode_nozomi(self.request(url).content)
 
         for tag in self.tags:
+            tag = tag.replace("/", "")
             if tag[0] == "-":
                 if not index:
                     index = set(nozomi("index"))