chore: update CloudEnv.java (#2147)

* chore: update CloudEnv.java

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Author: kolea2

README.md

@@ -57,13 +57,13 @@ implementation 'com.google.cloud:google-cloud-bigtable'
 If you are using Gradle without BOM, add this to your dependencies:
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-bigtable:2.34.0'
+implementation 'com.google.cloud:google-cloud-bigtable:2.35.0'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-bigtable" % "2.34.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-bigtable" % "2.35.0"
 ```
 <!-- {x-version-update-end} -->
 
@@ -609,7 +609,7 @@ Java is a registered trademark of Oracle and/or its affiliates.
 [kokoro-badge-link-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-bigtable/java11.html
 [stability-image]: https://img.shields.io/badge/stability-stable-green
 [maven-version-image]: https://img.shields.io/maven-central/v/com.google.cloud/google-cloud-bigtable.svg
-[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-bigtable/2.34.0
+[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-bigtable/2.35.0
 [authentication]: https://github.com/googleapis/google-cloud-java#authentication
 [auth-scopes]: https://developers.google.com/identity/protocols/oauth2/scopes
 [predefined-iam-roles]: https://cloud.google.com/iam/docs/understanding-roles#predefined_roles

google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/test_helpers/env/CloudEnv.java

@@ -228,7 +228,6 @@ public <ReqT, RespT> ClientCall<ReqT, RespT> interceptCall(
         return new SimpleForwardingClientCall<ReqT, RespT>(clientCall) {
           @Override
           public void start(Listener<RespT> responseListener, Metadata headers) {
-            System.out.println(headers);
             super.start(
                 new SimpleForwardingClientCallListener<RespT>(responseListener) {
                   @Override