Revert "Add gsutil 4.13 to telemetry/third_party"

tools/telemetry/third_party/gsutil/third_party/oauth2client/docs/contributing.rst

Index: tools/telemetry/third_party/gsutil/third_party/oauth2client/docs/contributing.rst
diff --git a/tools/telemetry/third_party/gsutil/third_party/oauth2client/docs/contributing.rst b/tools/telemetry/third_party/gsutil/third_party/oauth2client/docs/contributing.rst
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-Contributor License Agreements
-------------------------------
-
-We'd love to accept your code patches! However, before we can take them, we
-have to jump a couple of legal hurdles.
-
-Please fill out either the individual or corporate Contributor License
-Agreement.
-
-* If you are an individual writing original source code and you're sure you
-  own the intellectual property, then you'll need to sign an `individual CLA
-  <https://developers.google.com/open-source/cla/individual>`_.
-* If you work for a company that wants to allow you to contribute your work to
-  oauth2client, then you'll need to sign a `corporate CLA
-  <https://developers.google.com/open-source/cla/corporate>`_.
-
-Follow either of the
-two links above to access the appropriate CLA and instructions for how to sign
-and return it. Once we receive it, we'll add you to the official list of
-contributors and be able to accept your patches.
-
-Before writing code, file an issue
-----------------------------------
-
-Use the `issue tracker <https://github.com/google/oauth2client/issues>`_ to
-start the discussion. It is possible that someone else is already working on
-your idea, your approach is not quite right, or that the functionality exists
-already. The ticket you file in the issue tracker will be used to hash that
-all out.
-
-Fork oauth2client
------------------
-
-We will use github's mechanism for forking repositories and making pull
-requests. Fork the repository, and make your changes in the forked repository.
-
-Include tests
--------------
-
-Be sure to add the relevant tests before making the pull request. Docs will be
-updated automatically when we merge to ``master``, but you should also build
-the docs yourself via ``tox -e docs`` and make sure they're readable.
-
-Make the pull request
----------------------
-
-Once you have made all your changes, tests, and updated the documentation,
-make a pull request to move everything back into the main ``oauth2client``
-repository. Be sure to reference the original issue in the pull request.
-Expect some back-and-forth with regards to style and compliance of these
-rules.