Update src/gei/Commands/MigrateRepo/MigrateRepoCommandHandler.cs

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: dpmex4527

src/gei/Commands/MigrateRepo/MigrateRepoCommandHandler.cs

@@ -2,7 +2,6 @@
 using System.IO;
 using System.Linq;
 using System.Net;
-using System.Net.Http;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using OctoshiftCLI.Commands;