Bugfix, date format not changed to local format

- Fixes #3718
- intoduced by commit 4aee129cdc

client/components/cards/cardCustomFields.js

@@ -1,5 +1,4 @@
 import { DatePicker } from '/client/lib/datepicker';
-import moment from 'moment';
 import Cards from '/models/cards';
 
 Template.cardCustomFieldsPopup.helpers({

client/components/cards/cardDate.js

@@ -1,4 +1,3 @@
-import moment from 'moment';
 import { DatePicker } from '/client/lib/datepicker';
 
 Template.dateBadge.helpers({

client/lib/datepicker.js

@@ -1,5 +1,3 @@
-import moment from 'moment';
-
 // Helper function to replace HH with H for 24 hours format, because H allows also single-digit hours
 function adjustedTimeFormat() {
   return moment