Merge branch '209749-remove-health-st-final' into 'master'

Remove ignoring health_status from Epic

Closes #209749

See merge request gitlab-org/gitlab!36706

app/models/epic.rb

@@ -5,8 +5,6 @@
 class Epic < ApplicationRecord
   include IgnorableColumns
 
-  ignore_column :health_status, remove_with: '13.0', remove_after: '2019-05-22'
-
   def self.link_reference_pattern
     nil
   end