Revert "Add gsutil 4.13 to telemetry/third_party"

tools/telemetry/third_party/gsutil/third_party/boto/CONTRIBUTING

Index: tools/telemetry/third_party/gsutil/third_party/boto/CONTRIBUTING
diff --git a/tools/telemetry/third_party/gsutil/third_party/boto/CONTRIBUTING b/tools/telemetry/third_party/gsutil/third_party/boto/CONTRIBUTING
deleted file mode 100644
index d3014eefa0d83815b37825988be17efc0431d1d6..0000000000000000000000000000000000000000
--- a/tools/telemetry/third_party/gsutil/third_party/boto/CONTRIBUTING
+++ /dev/null
@@ -1,47 +0,0 @@
-============
-Contributing
-============
-
-For more information, please see the official contribution docs at
-http://docs.pythonboto.org/en/latest/contributing.html.
-
-
-Contributing Code
-=================
-
-* A good patch:
-
-  * is clear.
-  * works across all supported versions of Python.
-  * follows the existing style of the code base (PEP-8).
-  * has comments included as needed.
-
-* A test case that demonstrates the previous flaw that now passes
-  with the included patch.
-* If it adds/changes a public API, it must also include documentation
-  for those changes.
-* Must be appropriately licensed (New BSD).
-
-
-Reporting An Issue/Feature
-==========================
-
-* Check to see if there's an existing issue/pull request for the
-  bug/feature. All issues are at https://github.com/boto/boto/issues
-  and pull reqs are at https://github.com/boto/boto/pulls.
-* If there isn't an existing issue there, please file an issue. The ideal
-  report includes:
-
-  * A description of the problem/suggestion.
-  * How to recreate the bug.
-  * If relevant, including the versions of your:
-
-    * Python interpreter
-    * boto
-    * Optionally of the other dependencies involved
-
-  * If possible, create a pull request with a (failing) test case demonstrating
-    what's wrong. This makes the process for fixing bugs quicker & gets issues
-    resolved sooner.
-
-