[TASK] Use Logging API for scheduler logging

The custom logging of the scheduler pollutes the sys_log table
by default in all installations.

Switching to proper logging API allows to log to more custom processors.

Resolves: #83866
Releases: master
Change-Id: I2bd0a13cf55f70f8accc6a799099f713c648aac2
Reviewed-on: https://review.typo3.org/55670


Reviewed-by: Mathias Schreiber <mathias.schreiber@typo3.com>
Tested-by: Mathias Schreiber <mathias.schreiber@typo3.com>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Susanne Moog <susanne.moog@typo3.org>
Tested-by: Susanne Moog <susanne.moog@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>