Remove deprecated dependency: `org.springframework.security.oauth:spr…

…ing-security-oauth2`

Tests that use the dependency are also deleted.

pom.xml

@@ -68,9 +68,6 @@
 
 		<spring-cloud-task.version>2.4.1</spring-cloud-task.version>
 
-		<!-- Only used for tests -->
-		<spring-security-oauth2.version>2.3.7.RELEASE</spring-security-oauth2.version>
-
 		<spring-cloud-common-security-config.version>1.8.0-SNAPSHOT</spring-cloud-common-security-config.version>
 
 		<jacoco-maven-plugin.version>0.8.5</jacoco-maven-plugin.version>
@@ -214,11 +211,6 @@
 				<artifactId>props2yaml</artifactId>
 				<version>${codearte-props2yml.version}</version>
 			</dependency>
-			<dependency>
-				<groupId>org.springframework.security.oauth</groupId>
-				<artifactId>spring-security-oauth2</artifactId>
-				<version>${spring-security-oauth2.version}</version>
-			</dependency>
 			<dependency>
 				<groupId>net.javacrumbs.json-unit</groupId>
 				<artifactId>json-unit-assertj</artifactId>

spring-cloud-dataflow-docs/src/main/asciidoc/configuration-local.adoc

@@ -581,35 +581,12 @@ uaac user get <username>
 
 For local testing and development, you may also use the Resource and Authorization
 Server support provided by
-https://projects.spring.io/spring-security-oauth/[Spring Security OAuth]. It
-allows you to easily create your own (very basic) OAuth2 Server with the following simple annotations:
+https://spring.io/projects/spring-security/[Spring Security]. It
+allows you to easily create your own OAuth2 Server by configuring the SecurityFilterChain.
 
-* `@EnableResourceServer`
-* `@EnableAuthorizationServer`
+Samples can be found at:
+https://docs.spring.io/spring-security/reference/samples.html[Spring Security Samples]
 
-NOTE: In fact the UAA uses Spring Security OAuth2 under the covers, thus the basic endpoints
-are the same.
-
-A working example application can be found at:
-https://github.com/ghillert/oauth-test-server/[https://github.com/ghillert/oauth-test-server/]
-
-Clone the project and configure Spring Cloud Data Flow with the respective Client ID and Client Secret:
-
-[source,yaml]
-----
-security:
-  oauth2:
-    client:
-      client-id: myclient
-      client-secret: mysecret
-      access-token-uri: http://127.0.0.1:9999/oauth/token
-      user-authorization-uri: http://127.0.0.1:9999/oauth/authorize
-    resource:
-      user-info-uri: http://127.0.0.1:9999/me
-      token-info-uri: http://127.0.0.1:9999/oauth/check_token
-----
-
-IMPORTANT: This sample application is not intended for production use
 
 [[configuration-security-shell-authentication]]
 ==== Data Flow Shell Authentication

spring-cloud-starter-dataflow-server/pom.xml

@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="https://maven.apache.org/POM/4.0.0" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+		 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
@@ -49,12 +51,6 @@
 			<artifactId>spring-cloud-dataflow-rest-client</artifactId>
 			<scope>test</scope>
 		</dependency>
-		<dependency>
-			<groupId>org.springframework.security.oauth</groupId>
-			<artifactId>spring-security-oauth2</artifactId>
-			<version>${spring-security-oauth2.version}</version>
-			<scope>test</scope>
-		</dependency>
 		<dependency>
 			<groupId>com.squareup.okhttp3</groupId>
 			<artifactId>okhttp</artifactId>