[TASK] Remove deprecated makeCopyrightNotice

Resolves: #56839
Releases: 6.2
Change-Id: I1a8006c7c34a3e38674ae6e114c6cbe6845c17eb
Reviewed-on: https://review.typo3.org/28316
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn
Reviewed-by: Georg Ringer
Tested-by: Georg Ringer