fixing jenkinsfile steps for new jenkins

Change-Id: Iba36e3dd6eccf4b5fdeb41f768d4cbb280df338d
(cherry picked from commit 939961d756eaa8b097480926fa2b8ce3653f9ffd)
diff --git a/Jenkinsfile-ecord-global b/Jenkinsfile-ecord-global
index dd67855..698c4b7 100644
--- a/Jenkinsfile-ecord-global
+++ b/Jenkinsfile-ecord-global
@@ -22,9 +22,6 @@
         deployment_config = readYaml file: "${configRepoBaseDir}${configRepoFile}"
         pod_config = readYaml file: "${configRepoBaseDir}${deployment_config.pod_config.file_name}"
     }
-}
-
-node ("${deployment_config.dev_node.name}") {
     stage('Prerequisites') {
         runHeadNodeCmd("""
         cd /opt/cord/test/cord-tester/src/test/setup
diff --git a/Jenkinsfile-ecord-local b/Jenkinsfile-ecord-local
index e40ab2b..d304adf 100644
--- a/Jenkinsfile-ecord-local
+++ b/Jenkinsfile-ecord-local
@@ -22,9 +22,6 @@
         deployment_config = readYaml file: "${configRepoBaseDir}${configRepoFile}"
         pod_config = readYaml file: "${configRepoBaseDir}${deployment_config.pod_config.file_name}"
     }
-}
-
-node ("${deployment_config.dev_node.name}") {
     stage('Prerequisites') {
         runHeadNodeCmd("""
         cd /opt/cord/test/cord-tester/src/test/setup
diff --git a/Jenkinsfile-mcord b/Jenkinsfile-mcord
index 342f9c0..95c1469 100644
--- a/Jenkinsfile-mcord
+++ b/Jenkinsfile-mcord
@@ -22,9 +22,6 @@
         deployment_config = readYaml file: "${configRepoBaseDir}${configRepoFile}"
         pod_config = readYaml file: "${configRepoBaseDir}${deployment_config.pod_config.file_name}"
     }
-}
-
-node ("${deployment_config.dev_node.name}") {
     stage('Prerequisites') {
         runHeadNodeCmd("""
         cd /opt/cord/test/cord-tester/src/test/setup
diff --git a/Jenkinsfile-rcord b/Jenkinsfile-rcord
index c5baef2..c98c406 100644
--- a/Jenkinsfile-rcord
+++ b/Jenkinsfile-rcord
@@ -22,9 +22,6 @@
         deployment_config = readYaml file: "${configRepoBaseDir}${configRepoFile}"
         pod_config = readYaml file: "${configRepoBaseDir}${deployment_config.pod_config.file_name}"
     }
-}
-
-node ("${deployment_config.dev_node.name}") {
     stage('Prerequisites') {
         runHeadNodeCmd("""
         cd /opt/cord/test/cord-tester/src/test/setup