Custom Date field with format=yy displays calendar icon that doesn't work

Create a custom date field with type = yy. It displays an unwanted calendar icon on the field.

PR https://github.com/civicrm/civicrm-core/pull/17664

added git:civicrm-core ~88 sig:bug triaged labels

mentioned in commit 5b7dd006

mentioned in commit 833e5520

closed