fix: remove stale module from bom (#2218)

Change-Id: I903aa34db7114bf410eaef179de6506cebc0e108

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Fixes #<issue_number_goes_here> ☕️

If you write sample code, please follow the [samples format](
https://togithub.com/GoogleCloudPlatform/java-docs-samples/blob/main/SAMPLE_FORMAT.md).

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:2.38.0'
+implementation 'com.google.cloud:google-cloud-bigtable:2.39.0'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-bigtable" % "2.38.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-bigtable" % "2.39.0"
 ```
 <!-- {x-version-update-end} -->
 
@@ -541,7 +541,7 @@ 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/2.38.0
+[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-bigtable/2.39.0
 [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-bom/pom.xml

@@ -95,11 +95,6 @@
           <artifactId>proto-google-cloud-bigtable-v2</artifactId>
           <version>2.39.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigtable-v2:current} -->
         </dependency>
-          <dependency>
-              <groupId>com.google.cloud</groupId>
-              <artifactId>google-cloud-bigtable-stats</artifactId>
-              <version>2.39.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigtable:current} -->
-          </dependency>
       </dependencies>
     </dependencyManagement>