software/mail-server: remove PID files created by dovecot and postfix

12 jobs for mail-server
Status Job ID Name Coverage
  External
passed Cloudooo.UnitTest-Master

00:04:40

running ERP5.StandaloneDeploymentScriptTest-Debian.Buster

11007:50:17

running ERP5.StandaloneDeploymentScriptTest-Debian.Buster.Master

11010:46:30

passed SlapOS-Master.StandaloneDeploymentScriptTest-Debian.Buster

00:52:50

passed SlapOS.Eggs.UnitTest-Master.Python2

00:15:41

passed SlapOS.Eggs.UnitTest-Master.Python3

00:17:34

running SlapOS.SoftwareReleases.IntegrationTest-Master

11010:46:53

running SlapOS.Theia.ResilienceTest-Master-ERP5

11010:46:00

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:30:56

running Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

11008:07:10

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

00:53:27

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:41:06