Remove superseded library pins (#864) #2471

Job	Run time
build packages	13s
linter	1m 34s
unit test / python 3.8	45s
unit test / python 3.9	54s
unit test / python 3.10	46s
unit test / python 3.11	48s
verify packages / python 3.8 / ubuntu-latest	54s
verify packages / python 3.9 / ubuntu-latest	1m 5s
verify packages / python 3.10 / ubuntu-latest	1m 2s
verify packages / python 3.11 / ubuntu-latest	58s
verify packages / python 3.8 / macos-latest	1m 59s
verify packages / python 3.9 / macos-latest	1m 21s
verify packages / python 3.10 / macos-latest	1m 26s
verify packages / python 3.11 / macos-latest	49s
verify packages / python 3.8 / windows-latest	2m 45s
verify packages / python 3.9 / windows-latest	2m 20s
verify packages / python 3.10 / windows-latest	4m 4s
verify packages / python 3.11 / windows-latest	3m 13s
	26m 56s

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