Remove Orleans multi-clustering documentation (#49892)

Author: Copilot

.openpublishing.redirection.orleans.json

@@ -43,6 +43,26 @@
         {
             "source_path_from_root": "/docs/orleans/implementation/cluster-configuration.md",
             "redirect_url": "/dotnet/orleans/implementation/cluster-management"
+        },
+        {
+            "source_path_from_root": "/docs/orleans/deployment/multi-cluster-support/global-single-instance.md",
+            "redirect_url": "/dotnet/orleans/deployment/"
+        },
+        {
+            "source_path_from_root": "/docs/orleans/deployment/multi-cluster-support/gossip-channels.md",
+            "redirect_url": "/dotnet/orleans/deployment/"
+        },
+        {
+            "source_path_from_root": "/docs/orleans/deployment/multi-cluster-support/multi-cluster-configuration.md",
+            "redirect_url": "/dotnet/orleans/deployment/"
+        },
+        {
+            "source_path_from_root": "/docs/orleans/deployment/multi-cluster-support/overview.md",
+            "redirect_url": "/dotnet/orleans/deployment/"
+        },
+        {
+            "source_path_from_root": "/docs/orleans/deployment/multi-cluster-support/silo-configuration.md",
+            "redirect_url": "/dotnet/orleans/deployment/"
         }
 
     ]