[TASK] remove outdated code to notify docs server

Change-Id: I535e2d1649c804132fe1fe55795da6b9c88dc5ca
Resolves: #59873
Reviewed-on: https://review.typo3.org/31134
Reviewed-by: Thomas Löffler
Tested-by: Thomas Löffler
Reviewed-by: Christian Zenker