DEV: Remove unused topic_create_allowed_category_ids (#23463)

app/models/user.rb

@@ -1396,10 +1396,6 @@ class User < ActiveRecord::Base
     cats.pluck("categories.id").sort
   end
 
-  def topic_create_allowed_category_ids
-    Category.topic_create_allowed(self.id).select(:id)
-  end
-
   # Flag all posts from a user as spam
   def flag_linked_posts_as_spam
     results = []

lib/guardian.rb

@@ -58,9 +58,6 @@ class Guardian
     def secure_category_ids
       []
     end
-    def topic_create_allowed_category_ids
-      []
-    end
     def groups
       []
     end

lib/guardian/category_guardian.rb

@@ -69,10 +69,6 @@ module CategoryGuardian
       end
   end
 
-  def topic_create_allowed_category_ids
-    @topic_create_allowed_category_ids ||= @user.topic_create_allowed_category_ids
-  end
-
   def topic_featured_link_allowed_category_ids
     @topic_featured_link_allowed_category_ids =
       Category.where(topic_featured_link_allowed: true).pluck(:id)