Fixes from PR comments
Fixes from PR comments

- Removed SES2.0 for SLES12.0
- Replaced iscloudver 7plus for 7
- Keep and enable cloud6 SES2.1
- Removed milestone checks for cloud7

vmoravec/automation,aspiers/automation,aspiers/automation,SUSE-Cloud/automation,gosipyan/automation,vmoravec/automation,aspiers/automation,aspiers/automation,gosipyan/automation,vmoravec/automation,vmoravec/automation,gosipyan/automation,SUSE-Cloud/automation,gosipyan/automation,SUSE-Cloud/automation,SUSE-Cloud/automation