Polishing.

Align Readme with correct artifact coordinates.

See #3312

README.adoc

@@ -1,6 +1,3 @@
-image:https://spring.io/badges/spring-data-jpa/ga.svg[Spring Data JPA,link=https://projects.spring.io/spring-data-jpa/#quick-start]
-image:https://spring.io/badges/spring-data-jpa/snapshot.svg[Spring Data JPA,link=https://projects.spring.io/spring-data-jpa/#quick-start]
-
 = Spring Data JPA image:https://jenkins.spring.io/buildStatus/icon?job=spring-data-jpa%2Fmain&subject=Build[link=https://jenkins.spring.io/view/SpringData/job/spring-data-jpa/] https://gitter.im/spring-projects/spring-data[image:https://badges.gitter.im/spring-projects/spring-data.svg[Gitter]] image:https://img.shields.io/badge/Revved%20up%20by-Gradle%20Enterprise-06A0CE?logo=Gradle&labelColor=02303A["Revved up by Gradle Enterprise", link="https://ge.spring.io/scans?search.rootProjectNames=Spring Data JPA Parent"]
 
 Spring Data JPA, part of the larger https://projects.spring.io/spring-data[Spring Data] family, makes it easy to implement JPA-based repositories.