removing chdir stage because it is useless.

Change-Id: I12140c0cd557fcd121827809155813bf50e7b16e
diff --git a/Jenkinsfile b/Jenkinsfile
index 7fc6c02..3cc1f13 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,7 +1,6 @@
 node ('build') {
    stage 'Checkout cord repo'
    checkout changelog: false, poll: false, scm: [$class: 'RepoScm', currentBranch: true, manifestRepositoryUrl: 'https://gerrit.opencord.org/manifest', quiet: true]
-   stage 'chdir to build'
    dir('build') {
         stage 'Redeploy head node and Build Vagrant box'
         try {