clean up: remove unused namespaces

Disco.Client/ErrorReporting.cs

@@ -1,11 +1,8 @@
 using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
-using System.Linq;
 using System.Net;
 using System.Reflection;
-using System.Text;
 using Disco.Client.Extensions;
 using Newtonsoft.Json;
 

Disco.Client/Extensions/WhoAmIExtensions.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.Text;
 using Disco.Models.ClientServices;
 
 namespace Disco.Client.Extensions

Disco.Client/Interop/Native/NetworkConnectionStatuses.cs

@@ -1,9 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
-namespace Disco.Client.Interop.Native
+namespace Disco.Client.Interop.Native
 {
     public enum NetworkConnectionStatuses : ushort
     {

Disco.Client/Presentation.cs

@@ -1,6 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Reflection;
 using System.Text;
 using System.Threading;

Disco.Client/Program.cs

@@ -1,9 +1,6 @@
 using System;
-using System.Collections.Generic;
 using System.Linq;
 using System.Net;
-using System.Text;
-using System.Threading.Tasks;
 using Disco.Models.ClientServices;
 using Disco.Client.Extensions;