* Optimized usings

* Shortened type references
* Removed redundant 'this' qualifier

OpenSim/Region/Environment/Scenes/Scripting/IScriptHost.cs

@@ -43,4 +43,4 @@ namespace OpenSim.Region.Environment.Scenes.Scripting
         LLVector3 AbsolutePosition { get; }
         void SetText(string text, Vector3 color, double alpha);
     }
-}
+}

OpenSim/Region/Environment/Scenes/Scripting/NullScriptHost.cs

@@ -85,4 +85,4 @@ namespace OpenSim.Region.Environment.Scenes.Scripting
             Console.WriteLine("Tried to SetText [{0}] on NullScriptHost", text);
         }
     }
-}
+}