Merge pull request #1848 from Sefaria/chore/sc-24547/fix-issues-creat…

…ed-by-renaming-topic-titles

fix(Topics): dont cascade title change to slug

sefaria/model/topic.py

@@ -126,11 +126,6 @@ def _sanitize(self):
     def set_titles(self, titles):
         self.title_group = TitleGroup(titles)
 
-    def add_title(self, text, lang, primary=False, replace_primary=False):
-        super(Topic, self).add_title(text, lang, primary=primary, replace_primary=replace_primary)
-        if lang == 'en' and primary:
-            self.set_slug_to_primary_title()
-
     def title_is_transliteration(self, title, lang):
         return self.title_group.get_title_attr(title, lang, 'transliteration') is not None