Removing Virtualbox provider from Jenkinsfile

Change-Id: I02a997a1fefaab53a03f88b76b069785d8c16c23
diff --git a/Jenkinsfile.newBuildSystem b/Jenkinsfile.newBuildSystem
index 367165f..8d10a3d 100644
--- a/Jenkinsfile.newBuildSystem
+++ b/Jenkinsfile.newBuildSystem
@@ -80,7 +80,7 @@
                 }
 
                 stage ("Deploy") {
-                    sh "VAGRANT_PROVIDER=virtualbox make build"
+                    sh "make build"
                 }
 
                 stage ("Power cycle compute nodes") {