update package.json

antora-playbook.yml

-antora:
-  extensions:
-    - require: "antora-highlightjs-extension"
-      fail_on_unsupported_language: true # default: false => log warning messages
-      languages: # default: [] => automatic
-        - "javascript"
-        - "shell"
-        - "plaintext"
-        - "asciidoc"
-        - "java"
-        - "treeview"
-        - "c"
-        - "ruby"
-      style: "atom-one-dark" # default: "default"
-      # alias: # default: see below
-      #   plaintext: ['txt', 'text']
-      #   shell: ['bash', 'sh', 'console']
-      #   javascript: ['js']
-      treeview:
-        enabled: true # default: true
-        theme: "minimal" # default: "default"
 site:
   title: My Demo Site
   url: https://swlab.bwg.co.kr/docs/

package.json

@@ -4,7 +4,6 @@
     "@antora/site-generator": "3.1.7"
   },
   "dependencies": {
-    "antora-highlightjs-extension": "^1.0.2",
     "highlight.js": "^11.9.0"
   }
 }