Remove gitter

.travis.yml

@@ -29,11 +29,3 @@ script: >
   (bundle exec rake test:spec)
 
 bundler_args: --without docs repl
-
-notifications:
-  webhooks:
-    urls:
-      - "https://webhooks.gitter.im/e/4442efd380ec811746d9"
-    on_success: change
-    on_failure: always
-    on_start: false

CONTRIBUTING.md

@@ -35,16 +35,15 @@ one of:
 ## What we are looking for
 
 We are open to anything that improves the SDK and doesn't unnecessarily cause backwards-incompatible changes. If you are
-unsure if your idea is something we would be open to, please ask us; Open an issue, send us an email, or ask in the
-[Gitter channel](https://gitter.im/aws/aws-sdk-ruby). Specifically, here are a few things that we would
-appreciate help on:
+unsure if your idea is something we would be open to, please ask us; Open an issue or send us an email.
+Specifically, here are a few things that we would appreciate help on:
 
 1. **Waiters** – Waiter configurations are located in the apis directory.
 2. **Docs** – We  greatly appreciate contributions to our documentation. The docs are written as code comments
    and via a pair of [YARD](https://github.com/lsegal/yard) plugins.
 3. **Tests** – We maintain high code coverage, but if there are any tests you feel are missing, please add them.
 4. **Convenience features** – Are there any features you feel would add value to the SDK? Contributions in this
-   area would be greatly appreciated. 
+   area would be greatly appreciated.
 5. If you have some other ideas, please let us know!
 
 ## Running the unit tests

README.md

@@ -1,10 +1,9 @@
 # AWS SDK for Ruby - Version 3
 
-[![Gem Version](https://badge.fury.io/rb/aws-sdk-core.svg)](https://badge.fury.io/rb/aws-sdk-core) 
+[![Gem Version](https://badge.fury.io/rb/aws-sdk-core.svg)](https://badge.fury.io/rb/aws-sdk-core)
 [![Build Status](https://github.com/aws/aws-sdk-ruby/workflows/CI/badge.svg)](https://github.com/aws/aws-sdk-ruby/actions)
 [![Github forks](https://img.shields.io/github/forks/aws/aws-sdk-ruby.svg)](https://github.com/aws/aws-sdk-ruby/network)
 [![Github stars](https://img.shields.io/github/stars/aws/aws-sdk-ruby.svg)](https://github.com/aws/aws-sdk-ruby/stargazers)
-[![Gitter](https://badges.gitter.im/aws/aws-sdk-ruby.svg)](https://gitter.im/aws/aws-sdk-ruby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
 ## Links of Interest
 
@@ -258,7 +257,6 @@ Simply downcase the service module name for the helper:
 Please use any of these resources for getting help:
 
 * Ask a question on StackOverflow and [tag it](http://stackoverflow.com/questions/tagged/aws-sdk-ruby) with `aws-sdk-ruby`.
-* Join the AWS SDK for Ruby [Gitter Channel](https://gitter.im/aws/aws-sdk-ruby).
 * Open a support ticket with [AWS Support](https://console.aws.amazon.com/support/home).
 
 ## Maintenance and support for SDK major versions

doc-src/templates/default/layout/html/footer.erb

@@ -4,7 +4,3 @@
   <%= YARD::VERSION %> (ruby-<%= RUBY_VERSION %>).
   <div id="awsdocs-legal-zone-copyright"></div>
 </div>
-
-<!-- Gitter chat -->
-<script>((window.gitter = {}).chat = {}).options = { room: 'aws/aws-sdk-ruby' };</script>
-<script src="https://sidecar.gitter.im/dist/sidecar.v1.js" async defer></script>