[BUGFIX] Have extractFileInformation extract atime only once

Remove duplicate "atime" entry to prevent duplicate
call of "atime" property extraction.

Resolves: #83992
Releases: master, 8.7
Change-Id: I2e09bc07b12b07eb89bd6fb247d0fed4431c8ef6
Reviewed-on: https://review.typo3.org/55993


Reviewed-by: Mathias Schreiber <mathias.schreiber@typo3.com>
Tested-by: Mathias Schreiber <mathias.schreiber@typo3.com>
Reviewed-by: Frans Saris <franssaris@gmail.com>
Tested-by: Frans Saris <franssaris@gmail.com>