use defaults for scm

Change-Id: I2a41efd7e5bbbb236f1dbab62e1981b70cc68229
diff --git a/jjb/metal3/job_capm3_e2e_basic_tests.yml b/jjb/metal3/job_capm3_e2e_basic_tests.yml
index 05f89af..ead55d1 100644
--- a/jjb/metal3/job_capm3_e2e_basic_tests.yml
+++ b/jjb/metal3/job_capm3_e2e_basic_tests.yml
@@ -103,10 +103,10 @@
     pipeline-scm:
       scm:
       - git:
-          url: "https://github.com/Nordix/metal3-project-infra.git"
+          url: "{ci_github_repo}"
           credentials-id: "{ci_github_jenkins_credentials_id}"
           branches:
-            - 'fetch-changes-from-pr-id/mboukhalfa'
+            - '{branch|main}'
           name: 'origin'
           refspec: '+refs/heads/*:refs/remotes/origin/*'
           wipe-workspace: True