Merge branch 'fj-205196-remove-ignore-column-storage-version' into 'master'

Remove ignore_column :storage_version

Closes #205196

See merge request gitlab-org/gitlab!25515

app/models/snippet.rb

@@ -17,7 +17,6 @@ class Snippet < ApplicationRecord
   include HasRepository
   extend ::Gitlab::Utils::Override
 
-  ignore_column :storage_version, remove_with: '12.9', remove_after: '2020-03-22'
   ignore_column :repository_storage, remove_with: '12.10', remove_after: '2020-04-22'
 
   cache_markdown_field :title, pipeline: :single_line