Removed redundant using statements

Meade.net.Telescope/Properties/AssemblyInfo.cs

@@ -1,5 +1,4 @@
 using System.Reflection;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 // General Information about an assembly is controlled through the following 

Meade.net.Telescope/Rates.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Runtime.InteropServices;
+using System.Runtime.InteropServices;
 using ASCOM.DeviceInterface;
 using System.Collections;
 using System.Threading;