Remove almost unused AppService in favor of using flute.exe

FluentTerminal.SystemTray/SystemTrayApplicationContext.cs

@@ -2,18 +2,14 @@
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
-using System.Threading.Tasks;
 using System.Windows.Forms;
 using Windows.ApplicationModel;
-using Windows.ApplicationModel.AppService;
 using Windows.ApplicationModel.Core;
-using Windows.Foundation.Collections;
 
 namespace FluentTerminal.SystemTray
 {
     public class SystemTrayApplicationContext : ApplicationContext
     {
-        private AppServiceConnection _connection;
         private readonly NotifyIcon _notifyIcon;
 
         public SystemTrayApplicationContext()
@@ -34,19 +30,9 @@ namespace FluentTerminal.SystemTray
             _notifyIcon.Visible = true;
         }
 
-        private void Connection_ServiceClosed(AppServiceConnection sender, AppServiceClosedEventArgs args)
+        private void Exit(object sender, EventArgs e)
         {
-            _connection.ServiceClosed -= Connection_ServiceClosed;
-            _connection = null;
-        }
-
-        private async void Exit(object sender, EventArgs e)
-        {
-            var message = new ValueSet
-            {
-                { "exit", string.Empty }
-            };
-            await SendMessage(message);
+            Process.Start("flute.exe", "close");
             Application.Exit();
         }
 
@@ -61,28 +47,6 @@ namespace FluentTerminal.SystemTray
             await appListEntries.First().LaunchAsync();
         }
 
-        private async Task SendMessage(ValueSet message)
-
-        {
-            if (_connection == null)
-            {
-                _connection = new AppServiceConnection
-                {
-                    PackageFamilyName = Package.Current.Id.FamilyName,
-                    AppServiceName = "FluentTerminalAppService"
-                };
-                _connection.ServiceClosed += Connection_ServiceClosed;
-                AppServiceConnectionStatus connectionStatus = await _connection.OpenAsync();
-
-                if (connectionStatus != AppServiceConnectionStatus.Success)
-                {
-                    MessageBox.Show("Status: " + connectionStatus.ToString());
-                    return;
-                }
-            }
-            await _connection.SendMessageAsync(message);
-        }
-
         private void ShowSettings(object sender, EventArgs e)
         {
             Process.Start("flute.exe", "settings");