chore(tracer): revert prevent some fatal failures on metastruct serialisation#15577

brettlangdon merged 2 commits intomainDataDog/dd-trace-py:mainfrom

revert-15551-christophe-papazian/mitigate_msgpack_encoding_errorsDataDog/dd-trace-py:revert-15551-christophe-papazian/mitigate_msgpack_encoding_errorsCopy head branch name to clipboard