test finished, pr merged, use sumaform master branch again

jenkins_pipelines/environments/uyuni-master-dev-acceptance-tests-AWS

@@ -10,7 +10,7 @@ node('sumaform-cucumber-provo') {
             string(name: 'cucumber_ref', defaultValue: 'fix-uyuni-cloud', description: 'Testsuite Git reference (branch, tag...)'),
             string(name: 'tf_file', defaultValue: 'susemanager-ci/terracumber_config/tf_files/Uyuni-Master-AWS.tf', description: 'Path to the tf file to be used'),
             string(name: 'sumaform_gitrepo', defaultValue: 'https://github.com/uyuni-project/sumaform.git', description: 'Sumaform Git Repository'),
-            string(name: 'sumaform_ref', defaultValue: 'support-leap-as-server-os', description: 'Sumaform Git reference (branch, tag...)'),
+            string(name: 'sumaform_ref', defaultValue: 'master', description: 'Sumaform Git reference (branch, tag...)'),
             choice(name: 'sumaform_backend', choices: ['aws'], description: 'Sumaform backend to be used (see https://github.com/uyuni-project/sumaform#backend-choice)'),
             choice(name: 'terraform_bin', choices: ['/usr/bin/terraform'], description: 'Terraform binary path'),
             choice(name: 'terraform_bin_plugins', choices: ['/usr/bin'], description: 'Terraform plugins path'),