Remove first system

src/bootstrap/choices.tpl.html

@@ -2,7 +2,7 @@
     ng-show="$select.open && $select.items.length > 0">
   <li class="ui-select-choices-group" id="ui-select-choices-{{ $select.generatedId }}" >
     <div class="divider" ng-show="$select.isGrouped && $index > 0"></div>
-    <div ng-show="$select.isGrouped" class="ui-select-choices-group-label dropdown-header" ng-bind="$group.name" ng-click="$select.headerClick($group)"></div>
+    <div ng-show="$select.isGrouped" class="ui-select-choices-group-label dropdown-header" ng-bind="$group.name"></div>
     <div ng-attr-id="ui-select-choices-row-{{ $select.generatedId }}-{{$index}}" class="ui-select-choices-row"
     ng-class="{active: $select.isActive(this), disabled: $select.isDisabled(this)}" role="option">
       <span class="ui-select-choices-row-inner"></span>

src/common.css

@@ -253,15 +253,6 @@ body > .ui-select-bootstrap.open {
   border-right: 1px solid #428bca;
 }
 
-.ui-select-bootstrap .ui-select-choices-group-label.dropdown-header:hover {
-  background-color: #f5f5f5;
-}
-
-.ui-select-bootstrap .ui-select-choices-group-label.dropdown-header {
-    color: black;
-    cursor: pointer;
-}
-
 .ui-select-bootstrap .ui-select-choices-row>span {
     cursor: pointer;
     display: block;

src/uiSelectController.js

@@ -61,19 +61,6 @@ uis.controller('uiSelectCtrl',
     throw uiSelectMinErr('searchInput', "Expected 1 input.ui-select-search but got '{0}'.", ctrl.searchInput.length);
   }
 
-  ctrl.headerClick = function(g) {
-    function sendItem(item) {
-      $timeout(function() {
-        ctrl.select(item, false, ' ');
-      });
-    }
-
-    var items = g.items;
-    for(var i = 0; i < items.length; i++) {
-        sendItem(items[i]);
-    }
-  };
-
   ctrl.isEmpty = function() {
     return isNil(ctrl.selected) || ctrl.selected === '' || (ctrl.multiple && ctrl.selected.length === 0);
   };