Update 'Jenkinsfile'

Jenkinsfile

@@ -13,25 +13,18 @@ pipeline {
 		)
 	}
     agent {
-        dockerfile {
-            additionalBuildArgs "--build-arg KAGGLE_USERNAME=${params.KAGGLE_USERNAME} --build-arg KAGGLE_KEY=${params.KAGGLE_KEY}"
+        dockerfile true
         }
     }
     stages {
         stage('Stage 1') {
             steps {
-				withEnv(["KAGGLE_USERNAME=${params.KAGGLE_USERNAME}",
-				"KAGGLE_KEY=${params.KAGGLE_KEY}" ]) {
-				    sh 'chmod u+x ./download_dataset.sh ./process_dataset.py'
-					echo 'Downloading dataset...' 
-					sh './download_dataset.sh'
+				    sh 'chmod u+x ./process_dataset.py'
 					echo 'Dataset downloaded'
                     echo 'Processing dataset...'
-					sh 'export PYTHONIOENCODING=UTF-8'
                     sh 'python3 process_dataset.py'
 					echo 'Dataset processed'
 				}
             }
         }		
     }
-    }