fix stylecop warnings

src/csharp/Grpc.Core/AsyncDuplexStreamingCall.cs

@@ -57,7 +57,6 @@ namespace Grpc.Core
             this.disposeAction = disposeAction;
         }
 
-
         /// <summary>
         /// Async stream to read streaming responses.
         /// </summary>

src/csharp/Grpc.Core/Internal/ServerCallHandler.cs

@@ -179,7 +179,6 @@ namespace Grpc.Core.Internal
             var requestStream = new ServerRequestStream<TRequest, TResponse>(asyncCall);
             var responseStream = new ServerResponseStream<TRequest, TResponse>(asyncCall);
 
-
             Status status;
             var context = HandlerUtils.NewContext(newRpc);
             try

src/csharp/Grpc.Core/Metadata.cs

@@ -225,7 +225,6 @@ namespace Grpc.Core
             {
                 return string.Format("[Entry: key={0}, value={1}]", Key, Value);
             }
-            
         }
     }
 }

src/csharp/Grpc.Core/ServerCallContext.cs

@@ -45,16 +45,14 @@ namespace Grpc.Core
     {
         // TODO(jtattermusch): expose method to send initial metadata back to client
 
-        // TODO(jtattermusch): allow setting status and trailing metadata to send after handler completes.
-
         private readonly string method;
         private readonly string host;
         private readonly DateTime deadline;
         private readonly Metadata requestHeaders;
         private readonly CancellationToken cancellationToken;
+        private readonly Metadata responseTrailers = new Metadata();
 
         private Status status = Status.DefaultSuccess;
-        private readonly Metadata responseTrailers = new Metadata();
 
         public ServerCallContext(string method, string host, DateTime deadline, Metadata requestHeaders, CancellationToken cancellationToken)
         {
@@ -127,6 +125,7 @@ namespace Grpc.Core
             {
                 return this.status;
             }
+
             set
             {
                 status = value;

src/csharp/Grpc.Core/VersionInfo.cs

@@ -11,5 +11,3 @@ namespace Grpc.Core
         public const string CurrentVersion = "0.6.0";
     }
 }
-
-