Removed obsolete source file introduced by migration from Codeplex.

src/Renci.SshNet/PasswordConnectionInfo.NET40.cs

@@ -1,16 +0,0 @@
-using System.Threading.Tasks;
-using System;
-
-namespace Renci.SshNet
-{
-    /// <summary>
-    /// Provides connection information when password authentication method is used
-    /// </summary>
-    public partial class PasswordConnectionInfo 
-    {
-        partial void ExecuteThread(Action action)
-        {
-            Task.Factory.StartNew(action);
-        }
-    }
-}