Remove redundant dep management for spring-boot-configuration-metadata

The module’s artifact id is spring-boot-configuration-processor for
which dependency management is also provided.

Author: wilkinsona

spring-boot-dependencies/pom.xml

@@ -161,11 +161,6 @@
 				<artifactId>spring-boot-autoconfigure</artifactId>
 				<version>1.2.0.BUILD-SNAPSHOT</version>
 			</dependency>
-			<dependency>
-				<groupId>org.springframework.boot</groupId>
-				<artifactId>spring-boot-configuration-metadata</artifactId>
-				<version>1.2.0.BUILD-SNAPSHOT</version>
-			</dependency>
 			<dependency>
 				<groupId>org.springframework.boot</groupId>
 				<artifactId>spring-boot-configuration-processor</artifactId>