stack/erp5,software/slapos-master: remove unused traces of wsgi parameter

This parameter no longer exists, this was not removed correctly
32 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed Cloudooo.UnitTest-Master

00:12:54

failed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

15:01:42

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster.Master

07:42:34

passed SlapOS.Eggs.UnitTest-Master.Python2

00:13:24

passed SlapOS.Eggs.UnitTest-Master.Python3

00:14:18

passed SlapOS.Eggs.UnitTest-Master.Python3Next

00:13:28

failed SlapOS.SoftwareReleases.IntegrationTest-Master

05:27:22

passed SlapOS.Theia.ResilienceTest-Master-ERP5

05:09:31

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

14:34:08

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

13:57:48

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

00:35:22

failed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

15:01:42

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

00:27:37

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

00:27:04

passed SlapOS.Eggs.UnitTest-Master.Python2

00:13:07

passed SlapOS.Eggs.UnitTest-Master.Python2

00:21:43

passed SlapOS.Eggs.UnitTest-Master.Python2

00:13:32

passed SlapOS.Eggs.UnitTest-Master.Python3

00:15:58

passed SlapOS.Eggs.UnitTest-Master.Python3

00:15:58

passed SlapOS.Eggs.UnitTest-Master.Python3

00:14:28

passed SlapOS.Eggs.UnitTest-Master.Python3Next

00:14:15

passed SlapOS.Eggs.UnitTest-Master.Python3Next

00:15:44

passed SlapOS.Eggs.UnitTest-Master.Python3Next

00:14:24

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:32:16

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

15:01:41

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:34:25

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:27:56

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:31:36

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

06:58:18

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

15:01:44

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

06:46:03

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

06:42:20