Migrate components: remove invalid ExternalSpecifications
After the next release AF3 Phoenix 2.7 the deprecated model changes and the Migrator can be removed:
verification.CheckStatus.Approven
Remove deprecated code and uncomment code in CheckListEditor
(from redmine: issue id 2007, created on 2014-04-15, closed on 2016-07-28)
- Relations:
- precedes #2006 (closed)
- precedes #1416 (closed)