REFACTOR: more 'fake_email' to base importer

script/import_scripts/question2answer.rb

@@ -551,10 +551,6 @@ EOM
     Time.zone.at(@tz.utc_to_local(timestamp))
   end
 
-  def fake_email
-    SecureRandom.hex << "@domain.com"
-  end
-
   def mysql_query(sql)
     @client.query(sql, cache_rows: true)
   end