file/cron: Refactor multipaste tarball clean code into new method
file/cron: Refactor multipaste tarball clean code into new method

Signed-off-by: Florian Pritz <753f544d2d01592750fb4bd29251b78abcfc8ecd@xinu.at>

Bluewind/filebin,Bluewind/filebin,Bluewind/filebin,Bluewind/filebin,Bluewind/filebin