address feedback

Author: Wraith2

src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SNI/SNIStreams.Task.cs

@@ -5,7 +5,6 @@
 using System.Threading;
 using System.Threading.Tasks;
 
-
 namespace Microsoft.Data.SqlClient.SNI
 {
     // NetCore2.1:
@@ -44,7 +43,6 @@ public override async Task WriteAsync(byte[] buffer, int offset, int count, Canc
 
     internal sealed partial class SNINetworkStream
     {
-
         public override async Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
         {
             await _readAsyncSemaphore.WaitAsync(cancellationToken).ConfigureAwait(false);

src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SNI/SNIStreams.cs

@@ -4,8 +4,6 @@
 
 using System.Net.Security;
 using System.IO;
-using System.Threading;
-using System.Threading.Tasks;
 using System.Net.Sockets;
 
 namespace Microsoft.Data.SqlClient.SNI