remove unused using

svn path=/trunk/mcs/; revision=155514

diff --git a/mcs/class/System/System.Collections.Generic/SortedSet.cs b/mcs/class/System/System.Collections.Generic/SortedSet.cs
index ab0354a94f4906e299aeb2387d1be8259840d9f1..75b81571b149fa26ec9768fe53c82ff0add75e82 100644 (file)
--- a/mcs/class/System/System.Collections.Generic/SortedSet.cs
+++ b/mcs/class/System/System.Collections.Generic/SortedSet.cs
@@ -29,7 +29,6 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
-using System.Linq;
 using System.Runtime.Serialization;
 using System.Runtime.InteropServices;
 using System.Security;