Use uri for sdf and stop setting DEPLOY_SCENARIO parameter

Change-Id: Ied5bd18d3b0090ee8d41810b4a68e30c5677b39f
diff --git a/jjb/cloud-infra/prepare-for-scenario-test.sh b/jjb/cloud-infra/prepare-for-scenario-test.sh
index eae6b51..aefe033 100644
--- a/jjb/cloud-infra/prepare-for-scenario-test.sh
+++ b/jjb/cloud-infra/prepare-for-scenario-test.sh
@@ -25,7 +25,7 @@
 cd $HOME && /bin/rm -rf $WORKSPACE
 git clone -q $TEST_REPO_URL $WORKSPACE
 
-echo "Generating temporary SDF"
+echo "Info: Generating temporary SDF"
 cat << EOF > $WORKSPACE/sdf.yml
 scenario:
   $DEPLOY_SCENARIO:
@@ -39,7 +39,7 @@
         distros:
           - ubuntu
 EOF
-echo "Temporary SDF content"
+echo "Info: Temporary SDF content"
 echo "-------------------------------------------------------------------------"
 cat $WORKSPACE/sdf.yml
 echo "-------------------------------------------------------------------------"