Revert "[BUGFIX] Make sys_file_metadata publishable"

This failed a lot of tests. Needs more investigation.

This reverts commit c76ac795.

Change-Id: I3f7be5025c0d31b530f2d6cfebbb08e94e0a2129
Reviewed-on: http://review.typo3.org/34186


Reviewed-by: Helmut Hummel <helmut.hummel@typo3.org>
Tested-by: Helmut Hummel <helmut.hummel@typo3.org>