Fix JavaDoc.

Closes #2314

pom.xml

@@ -335,7 +335,7 @@
 			<groupId>org.apache.geronimo.specs</groupId>
 			<artifactId>geronimo-jcdi_2.0_spec</artifactId>
 			<version>1.0.1</version>
-			<scope>test</scope>
+			<scope>optional</scope>
 		</dependency>
 
 		<dependency>

src/main/java/org/springframework/data/jpa/convert/threetenbp/package-info.java

@@ -1,5 +0,0 @@
-/**
- * Spring Data JPA specific ThreeTenBp converters.
- */
-@org.springframework.lang.NonNullApi
-package org.springframework.data.jpa.convert.threetenbp;

src/main/java/org/springframework/data/jpa/repository/utils/package-info.java

@@ -1,5 +0,0 @@
-/**
- * JPA specific utility functions.
- */
-package org.springframework.data.jpa.repository.utils;
-