Remove unused imports.

src/Renci.SshNet.Tests/Classes/Common/ExtensionsTest_IsEqualTo_ByteArray.cs

@@ -3,7 +3,6 @@ using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
-using Renci.SshNet.Common;
 
 namespace Renci.SshNet.Tests.Classes.Common
 {

src/Renci.SshNet.Tests/Classes/Common/ExtensionsTest_Take_Count.cs

@@ -3,7 +3,6 @@ using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
-using Renci.SshNet.Common;
 
 namespace Renci.SshNet.Tests.Classes.Common
 {

src/Renci.SshNet.Tests/Classes/Common/ExtensionsTest_Take_OffsetAndCount.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
-using Renci.SshNet.Common;
 
 namespace Renci.SshNet.Tests.Classes.Common
 {

src/Renci.SshNet.Tests/Classes/Common/ExtensionsTest_ToGlobalRequestName.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
+using System.Text;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Renci.SshNet.Messages.Connection;
 

src/Renci.SshNet.Tests/Classes/Common/ExtensionsTest_TrimLeadingZeros.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
-using Renci.SshNet.Common;
 
 namespace Renci.SshNet.Tests.Classes.Common
 {

src/Renci.SshNet.Tests/Classes/Common/HostKeyEventArgsTest.cs

@@ -1,6 +1,5 @@
 using Renci.SshNet.Common;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
-using System;
 using Renci.SshNet.Security;
 using Renci.SshNet.Tests.Common;