s3hash: always stream bytes in legacy mode (#3903) #20

Job	Run time
deploy-lambda-ecr (molecule)	5m 16s
deploy-lambda-s3 (access_counts)	1m 16s
deploy-lambda-ecr (thumbnail)	8m 50s
deploy-lambda-s3 (indexer)	4m 11s
deploy-lambda-s3 (pkgevents)	2m 2s
deploy-lambda-s3 (pkgpush)	2m 43s
deploy-lambda-s3 (pkgselect)	2m 17s
deploy-lambda-s3 (preview)	3m 14s
deploy-lambda-s3 (s3hash)	2m 37s
deploy-lambda-s3 (s3select)	2m 17s
deploy-lambda-s3 (status_reports)	2m 15s
deploy-lambda-s3 (tabular_preview)	3m 4s
deploy-lambda-s3 (transcode)	1m 18s
	41m 20s

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