* Optimized usings

* Shortened type references
* Removed redundant 'this' qualifier

OpenSim/Region/ExtensionsScriptModule/Engines/JVMEngine/JVM/StackFrame.cs

@@ -25,9 +25,7 @@
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 */
-using System;
 using System.Collections.Generic;
-using System.Text;
 using OpenSim.Region.ExtensionsScriptModule.JVMEngine.Types;
 
 namespace OpenSim.Region.ExtensionsScriptModule.JVMEngine.JVM
@@ -44,6 +42,5 @@ namespace OpenSim.Region.ExtensionsScriptModule.JVMEngine.JVM
         {
             LocalVariables = new BaseType[20];
         }
-
     }
-}
+}