feat(opcua): remove SystemPlatform-mirror GalaxyTags contract end-to-end (composer+applier+artifact, byte-parity)

src/Server/ZB.MOM.WW.OtOpcUa.Runtime/OpcUa/OpcUaPublishActor.cs

@@ -63,8 +63,7 @@ public sealed class OpcUaPublishActor : ReceiveActor
         Array.Empty<UnsLineProjection>(),
         Array.Empty<EquipmentNode>(),
         Array.Empty<DriverInstancePlan>(),
-        Array.Empty<ScriptedAlarmPlan>(),
-        Array.Empty<GalaxyTagPlan>());
+        Array.Empty<ScriptedAlarmPlan>());
 
     /// <summary>Gets the number of writes performed.</summary>
     public int WriteCount => _writes;
@@ -242,10 +241,6 @@ public sealed class OpcUaPublishActor : ReceiveActor
             // nodes (keyed by ScriptedAlarmId so AlarmStateUpdate writes target them); disabled
             // alarms are skipped.
             _applier.MaterialiseScriptedAlarms(composition);
-            // Galaxy / SystemPlatform tags get their own pass: ensures their FolderPath folder
-            // + Variable node exist so clients can browse them. The Galaxy driver fills values
-            // on a future SubscribeBulk pass; until then variables show BadWaitingForInitialData.
-            _applier.MaterialiseGalaxyTags(composition);
             // Equipment-namespace tags get their own pass: ensures each signal's Variable (and any
             // FolderPath sub-folder) exists under its already-materialised equipment folder so
             // clients can browse them. Live values arrive in a later milestone; until then the