Remove unused antora-playbook.yml

docs/antora-playbook.yml

@@ -1,39 +0,0 @@
-# PACKAGES antora@3.2.0-alpha.2 @antora/atlas-extension:1.0.0-alpha.1 @antora/collector-extension@1.0.0-alpha.3 @springio/antora-extensions@1.1.0-alpha.2 @asciidoctor/tabs@1.0.0-alpha.12 @opendevise/antora-release-line-extension@1.0.0-alpha.2
-#
-# The purpose of this Antora playbook is to build the docs in the current branch.
-antora:
-  extensions:
-    - '@antora/collector-extension'
-    - require: '@springio/antora-extensions/tabs-migration-extension'
-      unwrap_example_block: always
-    - require: '@springio/antora-extensions/root-component-extension'
-      root_component_name: 'authorization-server'
-    - '@antora/atlas-extension'
-site:
-  title: Spring Authorization Server
-  url: https://docs.spring.io/spring-authorization-server/
-content:
-  sources:
-    - url: ..
-      branches: HEAD
-      start_path: docs
-      worktrees: true
-asciidoc:
-  attributes:
-    page-pagination: ''
-    hide-uri-scheme: '@'
-    tabs-sync-option: '@'
-    chomp: 'all'
-  extensions:
-    - '@asciidoctor/tabs'
-    - '@springio/asciidoctor-extensions'
-  sourcemap: true
-urls:
-  latest_version_segment: ''
-runtime:
-  log:
-    failure_level: warn
-ui:
-  bundle:
-    url: https://github.com/spring-io/antora-ui-spring/releases/download/latest/ui-bundle.zip
-    snapshot: true