[BUGFIX] Remove unused files_upload

Removing the non existing file_upload permissions from
be_user/be_groups TCA field file_permissions.

Resolves: #63096
Releases: master, 6.2
Change-Id: Iaa64f2bc0ec433071ba5ad58e03cf937602f047a
Reviewed-on: http://review.typo3.org/34383
Reviewed-by: Helmut Hummel <helmut.hummel@typo3.org>
Tested-by: Helmut Hummel <helmut.hummel@typo3.org>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Markus Klein <klein.t3@reelworx.at>
Reviewed-by: Benjamin Mack <benni@typo3.org>
Tested-by: Markus Klein <klein.t3@reelworx.at>