Update jenkinsfile

Jenkinsfile

@@ -20,14 +20,11 @@ pipeline {
             }
 
             steps {
+                load "/acmvn"
                 script {
                     sh '''
                     #!/bin/bash
 
-                    chmod +x /acmvn
-                    /acmvn
-                    echo "MVN USERNAME  :  $MVN_USER"
-
                     git clean -xfd
                     git reset --hard
                     git fetch
@@ -51,4 +48,4 @@ pipeline {
 
         }
     }
-}
+}