Removed unused using statements

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/3.0@3431 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/DisplayBindings/HexEditor/Project/Src/Util/BufferManager.cs

@@ -6,16 +6,12 @@
 // </file>
 
 using System;
-using System.IO;
 using System.Collections;
-using System.Text;
+using System.IO;
 using System.Windows.Forms;
-using System.Diagnostics;
-using System.ComponentModel;
-using System.Threading;
 
-using ICSharpCode.SharpDevelop;
 using ICSharpCode.Core;
+using ICSharpCode.SharpDevelop;
 
 namespace HexEditor.Util
 {

src/AddIns/DisplayBindings/HexEditor/Project/Src/Util/Caret.cs

@@ -6,7 +6,6 @@
 // </file>
 
 using System;
-using System.Windows.Forms;
 using System.Drawing;
 
 namespace HexEditor.Util