Revert "[BUGFIX] Fix file permission methods in BackendUserAuthentication"

This reverts commit 01ac0075f41251557b5ddb24388508a927555ef6

Because of a missing dependency this caused failing builds on Travis

Change-Id: Iaedd4d9a251af1a8ca3c7b2fc9d56095d8f6928e
Reviewed-on: https://review.typo3.org/23118
Reviewed-by: Helmut Hummel
Tested-by: Helmut Hummel
Revert "[BUGFIX] Fix inconsistencies in getTSConfig in BackenuserAuth"

This reverts commit c7d04fbda9272f13b52fe57a2b39b8307ff14340

Defective cherry-pick from master causes failing builds on Travis

Change-Id: I46c14840d349188abb1a6ef9b158fbeffb67d2fc
Reviewed-on: https://review.typo3.org/23119
Reviewed-by: Helmut Hummel
Tested-by: Helmut Hummel