fix jenkins

Jenkinsfile

@@ -25,15 +25,14 @@ pipeline {
         stage('Download Dataset') {
             steps {
                 script {
-                    withEnv(["KAGGLE_USERNAME=${params.KAGGLE_USERNAME}",
-                             "KAGGLE_KEY=${params.KAGGLE_KEY}"]) {
+                    withEnv(["CUTOFF=${params.CUTOFF}"]) {
                         sh "bash ./download.sh"
                     }
                 }
             }
             post {
                 success {
-                    archiveArtifacts artifacts: 'data/**', onlyIfSuccessful: true
+                    archiveArtifacts artifacts: 'data', onlyIfSuccessful: true
                 }
             }
         }