Remove sitemap extension

Author: nvitucci

doc/publish.yml

@@ -27,10 +27,6 @@ urls:
 
 antora:
   extensions:
-  - require: "@neo4j-antora/antora-modify-sitemaps"
-    sitemap_version: '2.9'
-    sitemap_loc_version: current
-    move_sitemaps_to_components: 'true'
   - require: "./extensions/custom-edit-url"
     repo: https://github.com/neo4j/graph-data-science
     start_path: doc