playbook/imt-vm-bootstrap: don't partition data disks anymore

The configuration of the data disk will be done manually (especially
since it may require GPT partition table now).
20 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.StandaloneDeploymentScriptTest-Debian.Bullseye

00:32:43

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

00:30:33

failed ERP5.StandaloneDeploymentScriptTest-Debian.Buster.Master

15:02:08

passed SlapOS-Master.StandaloneDeploymentScriptTest-Debian.Bullseye

07:55:08

passed SlapOS-Master.StandaloneDeploymentScriptTest-Debian.Buster

00:29:50

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Bullseye

07:35:40

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:33:19

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

15:03:37

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

00:29:27

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

08:22:03

passed ERP5.StandaloneDeploymentScriptTest-Debian.Buster

00:36:03

passed SlapOS-Master.StandaloneDeploymentScriptTest-Debian.Buster

00:27:51

passed SlapOS-Master.StandaloneDeploymentScriptTest-Debian.Buster

08:28:11

passed SlapOS-Master.StandaloneDeploymentScriptTest-Debian.Buster

00:27:55

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:29:34

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:30:58

passed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster

00:34:11

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

15:02:26

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

15:02:36

failed Wendelin.StandaloneDeploymentScriptTest-Debian.Buster.Master

15:02:33