Copy and paste this code and add it to functions.php of your current theme:

 
//remove date range filter
remove_action( 'wpcfe_after_shipment_filters', 'wpcfe_shipment_created_date_filter_callback', 100 );
remove_filter( 'wpcfe_dashboard_arguments', 'wpcfe_shipment_created_date_quuery_args_callback' );