When we get rid of temporary files, we delete those using a wildcard, but for the logs from pySim-shell we explicitly memorize the name of the pySim-shell logfile and delete it later by this explicit name. This is not necessary, let's just delete all log files present using a wildcard. Related: OS#6601 Change-Id: I09dc7e59d1a3dcb68f54e3a8dccb86a1bc6c9ee6