Removed unused

Author: papafe

src/MongoDB.Driver/Core/Connections/Socks5Helper.cs

@@ -145,6 +145,23 @@ public static async Task PerformSocks5HandshakeAsync(Stream stream, EndPoint end
             }
         }
 
+        private static void CreateGreetingRequest(byte[] buffer, bool useAuth)
+        {
+            buffer[0] = ProtocolVersion5;
+
+            if (!useAuth)
+            {
+                buffer[1] = 1;
+                buffer[2] = MethodNoAuth;
+            }
+            else
+            {
+                buffer[1] = 2;
+                buffer[2] = MethodNoAuth;
+                buffer[3] = MethodUsernamePassword;
+            }
+        }
+
         private static void ReadGreetingResponse(Stream stream, byte[] buffer, bool useAuth, Socks5AuthenticationSettings authenticationSettings, CancellationToken cancellationToken)
         {
             stream.ReadBytes(buffer, 0, 2, cancellationToken);
@@ -270,7 +287,11 @@ private static int CreateConnectRequest(byte[] buffer, string targetHost, int ta
         private static int ReadConnectResponse(byte[] buffer, CancellationToken cancellationToken)
         {
             VerifyProtocolVersion(buffer[0]);
-            VerifySockSuccess(buffer[1]);
+
+            if (buffer[1] != Socks5Success)
+            {
+                throw new IOException($"SOCKS5 connect failed");
+            }
 
             return buffer[3] switch
             {
@@ -281,23 +302,6 @@ private static int ReadConnectResponse(byte[] buffer, CancellationToken cancella
             };
         }
 
-        private static void CreateGreetingRequest(byte[] buffer, bool useAuth)
-        {
-            buffer[0] = ProtocolVersion5;
-
-            if (!useAuth)
-            {
-                buffer[1] = 1;
-                buffer[2] = MethodNoAuth;
-            }
-            else
-            {
-                buffer[1] = 2;
-                buffer[2] = MethodNoAuth;
-                buffer[3] = MethodUsernamePassword;
-            }
-        }
-
         private static void VerifyProtocolVersion(byte version)
         {
             if (version != ProtocolVersion5)
@@ -306,14 +310,6 @@ private static void VerifyProtocolVersion(byte version)
             }
         }
 
-        private static void VerifySockSuccess(byte value) //TODO Need to check this
-        {
-            if (value != Socks5Success)
-            {
-                throw new IOException($"SOCKS5 connect failed");
-            }
-        }
-
         private static byte EncodeString(string input, byte[] buffer, int offset, string parameterName)
         {
             try