Re-enable the check_PO_master Jenkins job

Until #10592 (closed) is fixed, it’s generating too much noise.

To re-enable it:

git revert 70cb887b6b5185f3c78582f01c82b424bba02cde
git revert c80e99db400a490e76b022b573e101effab836fa

Parent Task: #5320 (closed)

Related issues

• Related to #11081 (closed)
• Blocked by #10592 (closed)

Original created by @intrigeri on 10747 (Redmine)