Remove unnecessary manual retrieval of AWS credentials. (#5290) #1165

Job	Run time
Package-Source-Release (ubuntu-20.04)	4m 37s
Package-Binary-Release (macos-arm64)	22m 55s
Package-Binary-Release (macos-x86_64)	27m 10s
Package-Binary-Release (linux-x86_64)	39m 43s
Package-Binary-Release (linux-x86_64-noavx2)	40m 29s
Package-Binary-Release (windows-x86_64)	27m 35s
Test-Release-Artifacts	3s
Publish-Release	0s
Generate-Release-List	0s
Create-Issue-On-Fail	0s
	2h 42m 32s

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