Remove unused tests section (#331)

* Remove unused docker file

* Regenerate client from commit d3a053a of spec repo

Co-authored-by: Thomas Hervé <[email protected]>
Co-authored-by: ci.datadog-api-spec <[email protected]>
Co-authored-by: api-clients-generation-pipeline[bot] <54105614+api-clients-generation-pipeline[bot]@users.noreply.github.com>

Author: 3 people

.apigentools-info

@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.5.1.dev2",
-            "regenerated": "2021-10-20 13:27:27.114088",
-            "spec_repo_commit": "c203748"
+            "regenerated": "2021-10-25 08:35:09.400790",
+            "spec_repo_commit": "d3a053a"
         },
         "v2": {
             "apigentools_version": "1.5.1.dev2",
-            "regenerated": "2021-10-20 13:28:25.607058",
-            "spec_repo_commit": "c203748"
+            "regenerated": "2021-10-25 08:36:12.356762",
+            "spec_repo_commit": "d3a053a"
         }
     }
 }