Cleanup

DepotDownloader/CDNClientPool.cs

@@ -3,8 +3,6 @@ using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Linq;
-using System.Net;
-using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 
@@ -72,7 +70,7 @@ namespace DepotDownloader
                     steamSession.steamClient.IsConnected &&
                     steamSession.steamClient.GetServersOfType(EServerType.CS).Count > 0)
                 {
-                    var servers = await FetchBootstrapServerListAsync();
+                    var servers = await FetchBootstrapServerListAsync().ConfigureAwait(false);
 
                     var weightedCdnServers = servers.Select(x =>
                     {

DepotDownloader/ConfigStore.cs

@@ -1,7 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using ProtoBuf;
 using System.IO;
 using System.IO.Compression;

DepotDownloader/ProtoManifest.cs

@@ -1,7 +1,6 @@
 using System.Collections.Generic;
 using System.IO;
 using System.IO.Compression;
-using System.Linq;
 
 using ProtoBuf;
 using SteamKit2;

DepotDownloader/Util.cs

@@ -5,7 +5,6 @@ using System.Linq;
 using System.Runtime.InteropServices;
 using System.Security.Cryptography;
 using System.Text;
-using SteamKit2;
 
 namespace DepotDownloader
 {