Remove CircleCI status, coveralls, and version eye badges (#3771)

Author: chingor13

google-cloud-datastore/README.md

@@ -3,11 +3,9 @@ Google Cloud Java Client for Datastore
 
 Java idiomatic client for [Google Cloud Datastore][cloud-datastore].
 
-[![CircleCI](https://circleci.com/gh/GoogleCloudPlatform/google-cloud-java/tree/master.svg?style=shield)](https://circleci.com/gh/GoogleCloudPlatform/google-cloud-java/tree/master)
-[![Coverage Status](https://coveralls.io/repos/GoogleCloudPlatform/google-cloud-java/badge.svg?branch=master)](https://coveralls.io/r/GoogleCloudPlatform/google-cloud-java?branch=master)
+[![Kokoro CI](http://storage.googleapis.com/cloud-devrel-public/java/badges/google-cloud-java/master.svg)](http://storage.googleapis.com/cloud-devrel-public/java/badges/google-cloud-java/master.html)
 [![Maven](https://img.shields.io/maven-central/v/com.google.cloud/google-cloud-datastore.svg)]( https://img.shields.io/maven-central/v/com.google.cloud/google-cloud-datastore.svg)
 [![Codacy Badge](https://api.codacy.com/project/badge/grade/9da006ad7c3a4fe1abd142e77c003917)](https://www.codacy.com/app/mziccard/google-cloud-java)
-[![Dependency Status](https://www.versioneye.com/user/projects/58fe4c8d6ac171426c414772/badge.svg?style=flat)](https://www.versioneye.com/user/projects/58fe4c8d6ac171426c414772)
 
 - [Product Documentation][datastore-product-docs]
 - [Client Library Documentation][datastore-client-lib-docs]