Remove outdated setuptools install_requires and python_requires #2559

Job	Run time
build-debs (bookworm)	2m 57s
lintian (bookworm)	3m 57s
verify-builder-sync (bookworm)	41s
piuparts (client, bookworm)	1m 20s
piuparts (export, bookworm)	1m 54s
piuparts (keyring, bookworm)	1m 11s
piuparts (log, bookworm)	1m 5s
piuparts (proxy, bookworm)	1m 6s
piuparts (qubesdb-tools, bookworm)	1m 6s
piuparts (whonix-config, bookworm)	1m 9s
reproducible-debs (bookworm)	21s
	16m 47s

Provide feedback