chore: remove all uses of generative_ai turn_event

The generative_ai turn_event must be removed because it introduces a breaking change to the MessageOutputDebugTurnEvent callout property which is not in-scope for this patch release

Author: apaparazzi0329

assistant/src/main/java/com/ibm/watson/assistant/v2/model/GenerativeAITask.java

@@ -32,7 +32,6 @@
  * MessageOutputDebugTurnEventTurnEventTopicSwitchDenied -
  * MessageOutputDebugTurnEventTurnEventActionRoutingDenied -
  * MessageOutputDebugTurnEventTurnEventSuggestionIntentsDenied -
- * MessageOutputDebugTurnEventTurnEventGenerativeAICalled -
  * MessageOutputDebugTurnEventTurnEventClientActions
  */
 public class MessageOutputDebugTurnEvent extends GenericModel {
@@ -66,8 +65,6 @@ public class MessageOutputDebugTurnEvent extends GenericModel {
     discriminatorMapping.put(
         "suggestion_intents_denied",
         MessageOutputDebugTurnEventTurnEventSuggestionIntentsDenied.class);
-    discriminatorMapping.put(
-        "generative_ai_called", MessageOutputDebugTurnEventTurnEventGenerativeAICalled.class);
     discriminatorMapping.put(
         "client_actions", MessageOutputDebugTurnEventTurnEventClientActions.class);
   }
@@ -123,21 +120,13 @@ public interface Reason {
   protected Boolean hasQuestion;
 
   protected Boolean prompted;
-
+  protected TurnEventCalloutCallout callout;
   @SerializedName("route_name")
   protected String routeName;
 
   @SerializedName("intents_denied")
   protected List<RuntimeIntent> intentsDenied;
 
-  @SerializedName("generative_ai_start_time")
-  protected String generativeAiStartTime;
-
-  @SerializedName("generative_ai")
-  protected GenerativeAITask generativeAi;
-
-  protected TurnEventGenerativeAICalledMetrics metrics;
-
   @SerializedName("client_actions")
   protected List<ClientAction> clientActions;
 
@@ -233,6 +222,15 @@ public Boolean isPrompted() {
     return prompted;
   }
 
+  /**
+   * Gets the callout.
+   *
+   * @return the callout
+   */
+  public TurnEventCalloutCallout getCallout() {
+    return callout;
+  }
+
   /**
    * Gets the routeName.
    *
@@ -255,35 +253,6 @@ public List<RuntimeIntent> getIntentsDenied() {
     return intentsDenied;
   }
 
-  /**
-   * Gets the generativeAiStartTime.
-   *
-   * <p>The time when generative ai started processing the message.
-   *
-   * @return the generativeAiStartTime
-   */
-  public String getGenerativeAiStartTime() {
-    return generativeAiStartTime;
-  }
-
-  /**
-   * Gets the generativeAi.
-   *
-   * @return the generativeAi
-   */
-  public GenerativeAITask getGenerativeAi() {
-    return generativeAi;
-  }
-
-  /**
-   * Gets the metrics.
-   *
-   * @return the metrics
-   */
-  public TurnEventGenerativeAICalledMetrics getMetrics() {
-    return metrics;
-  }
-
   /**
    * Gets the clientActions.
    *