Revert "Add gsutil 4.13 to telemetry/third_party"

tools/telemetry/third_party/gsutil/third_party/boto/tests/unit/sts/test_credentials.py

Index: tools/telemetry/third_party/gsutil/third_party/boto/tests/unit/sts/test_credentials.py
diff --git a/tools/telemetry/third_party/gsutil/third_party/boto/tests/unit/sts/test_credentials.py b/tools/telemetry/third_party/gsutil/third_party/boto/tests/unit/sts/test_credentials.py
deleted file mode 100644
index 27a16ca72a81b02960376ccf700d76b128e67668..0000000000000000000000000000000000000000
--- a/tools/telemetry/third_party/gsutil/third_party/boto/tests/unit/sts/test_credentials.py
+++ /dev/null
@@ -1,38 +0,0 @@
-import unittest
-
-from boto.sts.credentials import Credentials
-
-
-class STSCredentialsTest(unittest.TestCase):
-    sts = True
-
-    def setUp(self):
-        super(STSCredentialsTest, self).setUp()
-        self.creds = Credentials()
-
-    def test_to_dict(self):
-        # This would fail miserably if ``Credentials.request_id`` hadn't been
-        # explicitly set (no default).
-        # Default.
-        self.assertEqual(self.creds.to_dict(), {
-            'access_key': None,
-            'expiration': None,
-            'request_id': None,
-            'secret_key': None,
-            'session_token': None
-        })
-
-        # Override.
-        creds = Credentials()
-        creds.access_key = 'something'
-        creds.secret_key = 'crypto'
-        creds.session_token = 'this'
-        creds.expiration = 'way'
-        creds.request_id = 'comes'
-        self.assertEqual(creds.to_dict(), {
-            'access_key': 'something',
-            'expiration': 'way',
-            'request_id': 'comes',
-            'secret_key': 'crypto',
-            'session_token': 'this'
-        })