* optimized usings.

OpenSim/ApplicationPlugins/ScriptEngine/RegionEngineLoader.cs

@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) Contributors, http://opensimulator.org/
  * See CONTRIBUTORS.TXT for a full list of copyright holders.
  *
@@ -25,9 +25,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 using System;
-using System.Collections.Generic;
 using System.Reflection;
-using System.Text;
 using log4net;
 using Nini.Config;
 using OpenSim.Region.Framework.Interfaces;