Added open-iscsi to default removals

The bootstrapping process should remove the open-iscsi package.
Otherwise the iscsid startup will failed.

Change-Id: I0c31c84f4486bd44c467fbaf7a26563e4dbc5ccf

ansible/roles/baremetal/defaults/main.yml

@@ -28,7 +28,9 @@ ubuntu_pkg_removals:
  - lxd
  - lxc
  - libvirt-bin
+ - open-iscsi
 
 redhat_pkg_removals:
  - libvirt
  - libvirt-daemon
+ - iscsi-initiator-utils