[BUGFIX] Remove obsolete period in scheduler label

Resolves: #91343
Releases: master, 9.5
Change-Id: I1d5c48c5ba7a8d6ff977b7e0ca5d3f96d7e1963d
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64437


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Guido Schmechel <guido.schmechel@brandung.de>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>