DOC-191: add Ask AI code and rationalise playbook collector calls (#408)

# Description of change

Adds Ask AI functionality to site.

## Type of change

Select the type of change that you're making:

- [ ] Bug fix (Addresses an issue in existing content such as a typo)
- [x] Enhancement (Adds new content)

antora-playbook.yml

@@ -10,6 +10,7 @@ site:
     docsearch_id: 'QK2EAH8GB0'
     docsearch_api: 'ef7bd9485eafbd75d6e8425949eda1f5'
     docsearch_index: 'prod_hazelcast_docs'
+    ai_search_id: '6b326171-dd1e-40c6-a948-1f9bb6c0ed52'       
 urls:
   #  https://docs.antora.org/antora/latest/playbook/urls-html-extension-style/
   html_extension_style: drop
@@ -260,9 +261,6 @@ antora:
                 branch:
                   includes:
                     - 'master'
-    - require: '@djencks/antora-aggregate-collector'
-      trace: true
-      componentversions:
         - name: hazelcast
           version: '5.5'
           mappings: