Merge remote-tracking branch 'origin/fix/hide-unused-tags' into develop

# Conflicts:
#	apps/establishment/models.py

apps/establishment/models.py

@@ -457,7 +457,8 @@ class Establishment(GalleryModelMixin, ProjectBaseMixin, URLImageMixin,
     def visible_tags(self):
         return super().visible_tags \
             .exclude(category__index_name__in=['guide', 'collection', 'purchased_item',
-                                               'business_tag', 'business_tags_de', 'tag', ]) \
+                                               'business_tag', 'business_tags_de']) \
+            .exclude(value__in=['rss', 'rss_selection']) \
  \
             # todo: recalculate toque_number