Remove Unused method #335

Job	Run time
collab-check	4s
wait-for-approval	3s
detect-changes	10s
unit-tests (sagemaker-mlops)	32m 58s
unit-tests (sagemaker-serve)	44m 4s
integ-tests (sagemaker-core)	24m 23s
unit-tests (sagemaker-train)	29m 18s
codestyle-doc-tests (sagemaker-core)	29m 50s
integ-tests (sagemaker-serve)	32m 33s
codestyle-doc-tests (sagemaker-serve)	8m 30s
codestyle-doc-tests (sagemaker-train)	7m 16s
integ-tests (sagemaker-mlops)	31m 58s
unit-tests (sagemaker-core)	1h 1m 36s
codestyle-doc-tests (sagemaker-mlops)	7m 13s
integ-tests (sagemaker-train)	54m 36s
	6h 4m 32s

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