refactor: Rework earlier commit to annotate existing method (#6452)

Followup #6466

web/client-api/src/main/java/io/deephaven/web/client/api/subscription/AbstractTableSubscription.java

@@ -29,6 +29,7 @@
 import io.deephaven.web.shared.data.RangeSet;
 import io.deephaven.web.shared.data.ShiftedRange;
 import io.deephaven.web.shared.fu.JsRunnable;
+import jsinterop.annotations.JsMethod;
 import jsinterop.annotations.JsProperty;
 import jsinterop.base.Any;
 import jsinterop.base.Js;
@@ -51,6 +52,7 @@
  * exposed to api consumers, rather than wrapping in a Table type, as it handles the barrage stream and provides events
  * that client code can listen to.
  */
+@TsIgnore
 public abstract class AbstractTableSubscription extends HasEventHandling {
     /**
      * Indicates that some new data is available on the client, either an initial snapshot or a delta update. The
@@ -534,6 +536,7 @@ public JsArray<Column> getColumns() {
     /**
      * Stops the subscription on the server.
      */
+    @JsMethod
     public void close() {
         state.unretain(this);
         if (doExchange != null) {

web/client-api/src/main/java/io/deephaven/web/client/api/subscription/TableSubscription.java

@@ -60,12 +60,4 @@ public void changeSubscription(JsArray<Column> columns, @JsNullable Double updat
     public JsArray<Column> getColumns() {
         return super.getColumns();
     }
-
-    /**
-     * Close the subscription. Need to redefine here so this is exposed to JS.
-     */
-    @Override
-    public void close() {
-        super.close();
-    }
 }