DOC-5226 removed spurious using statements

Author: andy-stark-redis

tests/Doc/HomeProbExample.cs

@@ -4,8 +4,6 @@
 
 // REMOVE_START
 using NRedisStack.Tests;
-using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Serialization;
-using Org.BouncyCastle.Crypto.Generators;
 
 namespace Doc;