fix

Jenkinsfile

@@ -1,23 +1,6 @@
 pipeline {
     agent any 
     stages {
-        stage('Preparation') { 
-        properties([
-            parameters([
-                string(
-                    defaultValue: 'annadnowak',
-                    description: 'Kaggle username',
-                    name: 'KAGGLE_USERNAME',
-                    trim: false
-                ),
-                password(
-                    defaultValue: '',
-                    description: 'Kaggle token taken from kaggle.json file, as described in https://github.com/Kaggle/kaggle-api#api-credentials',
-                    name: 'KAGGLE_KEY'
-                )
-            ])
-        ])
-    }
         stage('checkout: Check out from version control') {
             steps {
                 git 'https://git.wmi.amu.edu.pl/s434760/ium_434760.git'