Update PointerTriggersView.axaml

Author: wieslawsoltes

samples/BehaviorsTestApplication/Views/Pages/PointerTriggersView.axaml

@@ -1,7 +1,6 @@
 <UserControl x:Class="BehaviorsTestApplication.Views.Pages.PointerTriggersView"
              xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:converters="using:BehaviorsTestApplication.Converters"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
              xmlns:vm="using:BehaviorsTestApplication.ViewModels"