Fix ESLint issue related to previous PR

Author: Lionel Laské

.eslintignore

@@ -1,5 +1,5 @@
 dashboard/public/js/bootstrap-notify.js
-dashboard/public/js/bootstrap-tour.min.js
+dashboard/public/js/intro.js
 dashboard/public/js/bootstrap.min.js
 dashboard/public/js/Chart.min.js
 dashboard/public/js/jquery-3.1.0.min.js