Remove dead code in orderchange.js (#6384)

src/pretix/static/pretixcontrol/js/ui/orderchange.js

@@ -1,6 +1,5 @@
 /*global $, gettext*/
 $(function () {
-    // Question view
     if (!$(".form-order-change").length) {
         return;
     }
@@ -57,51 +56,4 @@ $(function () {
             }
         });
     });
-    $('[data-model-select2=seat]').each(function () {
-        var $s = $(this);
-        $s.select2({
-            theme: "bootstrap",
-            delay: 100,
-            allowClear: !$s.prop("required"),
-            width: '100%',
-            language: $("body").attr("data-select2-locale"),
-            placeholder: $(this).attr("data-placeholder"),
-            ajax: {
-                url: function() {
-                    var se = $(this).closest(".form-order-change, .form-horizontal").attr("data-subevent");
-                    var url = $(this).attr('data-select2-url');
-                    var changed = $(this).closest(".form-order-change, .form-horizontal").find("[id$=subevent]").val();
-                    if (changed) {
-                        return url + '?subevent=' + changed;
-                    } else if (se) {
-                        return url + '?subevent=' + se;
-                    } else {
-                        return url;
-                    }
-                },
-                data: function (params) {
-                    return {
-                        query: params.term,
-                        page: params.page || 1
-                    }
-                }
-            },
-            templateResult: function (res) {
-                if (!res.id) {
-                    return res.text;
-                }
-                var $ret = $("<span>").append(
-                    $("<span>").addClass("primary").append($("<div>").text(res.text).html())
-                );
-                if (res.event) {
-                    $ret.append(
-                        $("<span>").addClass("secondary").append(
-                            $("<span>").addClass("fa fa-calendar fa-fw")
-                        ).append(" ").append($("<div>").text(res.event).html())
-                    );
-                }
-                return $ret;
-            },
-        });
-    });
 });