[TASK] Remove ChangeLog file

The history of the core can be found in GIT.
No need to have this file any longer.

Resolves: #72595
Releases: master
Change-Id: I23ac386d586b0a4460502545ac302da3c057d26e
Reviewed-on: https://review.typo3.org/45698


Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: Andreas Fernandez <typo3@scripting-base.de>
Reviewed-by: Jan Helke <typo3@helke.de>
Tested-by: Jan Helke <typo3@helke.de>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Tested-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>