fixup! Removed Leaks configuration

Author: nulltoken

LibGit2Sharp/Core/Handles/SafeHandleBase.cs

@@ -1,4 +1,6 @@
-using System;
+//#define LEAKS   //Uncomment this or add a conditional symbol to activate this mode
+
+using System;
 using System.Diagnostics;
 using System.Globalization;
 using System.Runtime.ConstrainedExecution;