Remove docs/manual

docs/manual/spring-security-oauth2-authorization-server-docs-manual.gradle

@@ -1,37 +0,0 @@
-apply plugin: 'io.spring.convention.docs'
-apply plugin: 'io.spring.convention.springdependencymangement'
-apply plugin: 'io.spring.convention.dependency-set'
-apply plugin: 'io.spring.convention.repository'
-apply plugin: 'java'
-
-asciidoctor {
-	attributes([stylesheet: 'css/style.css'])
-	resources {
-		from(sourceDir) {
-			include "css/**"
-		}
-	}
-}
-
-asciidoctorj {
-	def ghTag = snapshotBuild ? 'main' : project.version
-	def ghUrl = "https://github.com/spring-projects/spring-authorization-server/tree/$ghTag"
-	attributes 'spring-authorization-server-version' : project.version,
-		'spring-boot-version' : springBootVersion,
-		revnumber : project.version,
-		'gh-url': ghUrl,
-		'gh-samples-url': "$ghUrl/samples"
-	attributeProvider resolvedVersions(project.configurations.testCompile)
-}
-
-def resolvedVersions(Configuration configuration) {
-	return {
-		configuration.resolvedConfiguration
-			.resolvedArtifacts
-			.collectEntries { [(it.name + "-version"): it.moduleVersion.id.version] }
-	}
-}
-
-repositories {
-	maven { url "https://repo.spring.io/release" }
-}

docs/manual/src/docs/asciidoc/css/style.css

@@ -1,5 +0,0 @@
-@import 'spring.css';
-
-a code {
-	color: #097dff;
-}

docs/manual/src/docs/asciidoc/index.adoc

@@ -1,15 +0,0 @@
-= Spring Authorization Server Reference
-Joe Grandja
-:include-dir: _includes
-:security-api-url: https://docs.spring.io/spring-authorization-server/site/docs/current/api/
-:source-indent: 0
-:tabsize: 4
-:toc: left
-
-== Preface
-
-#TODO:# Document preface
-
-== Introduction
-
-#TODO:# Document introduction