[TASK] RTE: Move page/user TSconfig files to Configuration directory

Releases: master
Resolves: #62748
Change-Id: I35cc1e76a92a7ae863e017e1d7877385be9ee7e6
Reviewed-on: http://review.typo3.org/33856
Reviewed-by: Stanislas Rolland <typo3@sjbr.ca>
Tested-by: Stanislas Rolland <typo3@sjbr.ca>