remove unused import

assets/javascripts/wizard/components/wizard-date-input.js.es6

@@ -1,6 +1,5 @@
 import DateInput from "discourse/components/date-input";
 import discourseComputed from "discourse-common/utils/decorators";
-import I18n from "I18n";
 
 export default DateInput.extend({
   useNativePicker: false,