Drop hibernate-jpa-2.0-api managed dependency

Fixes gh-1898

spring-boot-autoconfigure/pom.xml

@@ -175,11 +175,6 @@
 			<artifactId>hibernate-validator</artifactId>
 			<optional>true</optional>
 		</dependency>
-		<dependency>
-			<groupId>org.hibernate.javax.persistence</groupId>
-			<artifactId>hibernate-jpa-2.0-api</artifactId>
-			<optional>true</optional>
-		</dependency>
 		<dependency>
 			<groupId>org.hornetq</groupId>
 			<artifactId>hornetq-jms-client</artifactId>

spring-boot-dependencies/pom.xml

@@ -69,7 +69,6 @@
 		<hamcrest.version>1.3</hamcrest.version>
 		<hibernate.version>4.3.7.Final</hibernate.version>
 		<hibernate-entitymanager.version>${hibernate.version}</hibernate-entitymanager.version>
-		<hibernate-jpa-api.version>1.0.1.Final</hibernate-jpa-api.version>
 		<hibernate-validator.version>5.1.3.Final</hibernate-validator.version>
 		<hikaricp.version>2.1.0</hikaricp.version>
 		<hornetq.version>2.4.5.Final</hornetq.version>
@@ -975,11 +974,6 @@
 				<artifactId>hibernate-validator</artifactId>
 				<version>${hibernate-validator.version}</version>
 			</dependency>
-			<dependency>
-				<groupId>org.hibernate.javax.persistence</groupId>
-				<artifactId>hibernate-jpa-2.0-api</artifactId>
-				<version>${hibernate-jpa-api.version}</version>
-			</dependency>
 			<dependency>
 				<groupId>org.hornetq</groupId>
 				<artifactId>hornetq-jms-client</artifactId>