refactor(deploy): retire cross-cluster DeployInstanceCommand wire path (config now fetched)

src/ZB.MOM.WW.ScadaBridge.Communication/CommunicationService.cs

@@ -116,29 +116,9 @@ public class CommunicationService
     // ── Pattern 1: Instance Deployment ──
 
     /// <summary>
-    /// Sends a deployment command for an instance to a site.
-    /// </summary>
-    /// <param name="siteId">The target site identifier.</param>
-    /// <param name="command">The deployment command.</param>
-    /// <param name="cancellationToken">Cancellation token.</param>
-    /// <returns>The deployment status response.</returns>
-    public async Task<DeploymentStatusResponse> DeployInstanceAsync(
-        string siteId, DeployInstanceCommand command, CancellationToken cancellationToken = default)
-    {
-        _logger.LogDebug(
-            "Sending DeployInstanceCommand to site {SiteId}, instance={Instance}, correlationId={DeploymentId}",
-            siteId, command.InstanceUniqueName, command.DeploymentId);
-
-        var envelope = new SiteEnvelope(siteId, command);
-        return await GetActor().Ask<DeploymentStatusResponse>(
-            envelope, _options.DeploymentTimeout, cancellationToken);
-    }
-
-    /// <summary>
-    /// Sends a small "refresh deployment" notify to a site (notify-and-fetch).
-    /// Replaces <see cref="DeployInstanceAsync"/> on the wire: the site fetches the
-    /// config over HTTP rather than receiving it inline. Reply is the existing
-    /// DeploymentStatusResponse, bounded by the deployment timeout.
+    /// Sends a small "refresh deployment" notify to a site (notify-and-fetch):
+    /// the site fetches the config over HTTP rather than receiving it inline.
+    /// Reply is the existing DeploymentStatusResponse, bounded by the deployment timeout.
     /// </summary>
     /// <param name="siteId">The target site identifier.</param>
     /// <param name="command">The refresh-deployment notify.</param>