Revert spring-security-oauth upgrade

It doesn't appear to be in Maven Central and it's breaking the eclipse
setup.

spring-boot-dependencies/pom.xml

@@ -142,7 +142,7 @@
 		<spring-retry.version>1.1.2.RELEASE</spring-retry.version>
 		<spring-security.version>4.0.2.RELEASE</spring-security.version>
 		<spring-security-jwt.version>1.0.3.RELEASE</spring-security-jwt.version>
-		<spring-security-oauth.version>2.0.8.RELEASE</spring-security-oauth.version>
+		<spring-security-oauth.version>2.0.7.RELEASE</spring-security-oauth.version>
 		<spring-session.version>1.0.2.RELEASE</spring-session.version>
 		<spring-social.version>1.1.2.RELEASE</spring-social.version>
 		<spring-social-facebook.version>2.0.2.RELEASE</spring-social-facebook.version>

spring-boot-parent/pom.xml

@@ -618,14 +618,6 @@
 						<enabled>false</enabled>
 					</snapshots>
 				</repository>
-				<repository>
-					<id>spring-releases</id>
-					<name>Spring Releases</name>
-					<url>http://repo.spring.io/release</url>
-					<snapshots>
-						<enabled>false</enabled>
-					</snapshots>
-				</repository>
 				<repository>
 					<id>spring-milestones</id>
 					<name>Spring Milestones</name>