Simplify OSM Health check in stage3

Change-Id: I9e4999af605d9e9a91edb57e9b9910afb202d14e
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/jenkins/ci-pipelines/ci_stage_3.groovy b/jenkins/ci-pipelines/ci_stage_3.groovy
index 2f2d216..ecf25e5 100644
--- a/jenkins/ci-pipelines/ci_stage_3.groovy
+++ b/jenkins/ci-pipelines/ci_stage_3.groovy
@@ -614,9 +614,8 @@
                 stage('OSM Health') {
                     // if this point is reached, logs should be archived
                     ARCHIVE_LOGS_FLAG = true
-                    stackName = 'osm'
                     sshCommand remote: remote, command: """
-                        /usr/share/osm-devops/installers/osm_health.sh -k -s ${stackName}
+                        OSM_HOSTNAME=nbi.${remote.host}.nip.io osm vim-list
                     """
                 } // stage("OSM Health")
             } // if ( params.DO_INSTALL )