clean up: remove unused namespaces

Disco.ClientBootstrapper/Interop/CertificateInterop.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text;
 using System.Security.Cryptography.X509Certificates;
 using System.Text.RegularExpressions;
 using System.IO;

Disco.ClientBootstrapper/Interop/NetworkAdapter.cs

@@ -1,7 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using System.Management;
 using System.Runtime.InteropServices;
 

Disco.ClientBootstrapper/Interop/NetworkInterop.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text;
 using System.Net.NetworkInformation;
 using System.Management;
 using System.Runtime.InteropServices;

Disco.ClientBootstrapper/Interop/RegistryInterop.cs

@@ -1,7 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using System.Runtime.InteropServices;
 
 namespace Disco.ClientBootstrapper.Interop

Disco.ClientBootstrapper/Interop/ShutdownInterop.cs

@@ -1,8 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Management;
 using System.Runtime.InteropServices;
 
 namespace Disco.ClientBootstrapper.Interop

Disco.ClientBootstrapper/Interop/WIMInterop.cs

@@ -4,7 +4,6 @@ using System.Globalization;
 using System.IO;
 using System.Runtime.InteropServices;
 using System.Text;
-using System.Xml;
 
 namespace Disco.ClientBootstrapper.Interop.WIMInterop
 {