(chocolateyGH-304) Reduce sleep time to 2 seconds

When waiting for the system to finish cleaning up, 2 seconds seems more
appropriate.

src/chocolatey/infrastructure.app/services/AutomaticUninstallerService.cs

@@ -32,7 +32,7 @@ public class AutomaticUninstallerService : IAutomaticUninstallerService
         private readonly IFileSystem _fileSystem;
         private readonly IRegistryService _registryService;
         private readonly ICommandExecutor _commandExecutor;
-        private const int SLEEP_TIME = 5;
+        private const int SLEEP_TIME = 2;
 
         public AutomaticUninstallerService(IChocolateyPackageInformationService packageInfoService, IFileSystem fileSystem, IRegistryService registryService, ICommandExecutor commandExecutor)
         {