remove UntrackedMapBoundUserInterface (#30752)

Content.Server/Pinpointer/StationMapUserComponent.cs

@@ -0,0 +1,11 @@
+namespace Content.Server.Pinpointer;
+
+/// <summary>
+/// Added to an entity using station map so when its parent changes we reset it.
+/// </summary>
+[RegisterComponent]
+public sealed partial class StationMapUserComponent : Component
+{
+    [DataField("mapUid")]
+    public EntityUid Map;
+}