removed the when, and removed unnecessary rm command

Jenkinsfile

@@ -62,7 +62,6 @@ pipeline {
     stage('Build production deliverable') {
       steps {
         echo "BUILD RESULT: ${buildResult}"
-        when { equals expected: 'SUCCESS', actual: buildResult }
         catchError(buildResult: 'FAILURE', stageResult: 'FAILURE') {
           sh ''' #!/usr/local/bin/bash
             ZIP_FILE="url-shortener_${BRANCH_NAME}_$(date "+%Y-%m-%d_%H-%M-%S").tgz"
@@ -87,7 +86,6 @@ pipeline {
     stage('Clean up deliverable') {
       steps {
         sh 'rm -rf /tmp/url-shortener'
-        sh 'rm -rf *.tgz'
       }
     }
   }