ci: remove redundant release artifact download #8047

Job	Run time
optimize-ci	3s
detect-changes	7s
Lint	51s
download-previous-rolldown-binaries	11s
Test (windows-latest, x86_64-pc-windows-msvc)	4m 32s
Test (Linux x64 musl)	3m 3s
Test (macos-latest, aarch64-apple-darwin)	2m 34s
Test (namespace-profile-linux-x64-default, x86_64-unknown-linux-gnu)	1m 17s
CLI E2E test (Linux x64 musl)	3m 45s
CLI E2E test (windows-latest, x86_64-pc-windows-msvc)	5m 42s
CLI E2E test (macos-latest, aarch64-apple-darwin)	2m 26s
CLI snap test (aarch64-apple-darwin, 3/3)	3m 54s
CLI snap test (x86_64-pc-windows-msvc, 1/3)	4m 36s
CLI snap test (aarch64-apple-darwin, 1/3)	3m 2s
CLI snap test (aarch64-apple-darwin, 2/3)	3m 30s
CLI snap test (x86_64-unknown-linux-gnu, 3/3)	2m 9s
CLI snap test (x86_64-unknown-linux-gnu, 1/3)	1m 51s
CLI E2E test (namespace-profile-linux-x64-default, x86_64-unknown-linux-gnu)	1m 18s
CLI snap test (x86_64-unknown-linux-gnu, 2/3)	2m 3s
CLI snap test (x86_64-pc-windows-msvc, 3/3)	5m 8s
CLI snap test (x86_64-pc-windows-msvc, 2/3)	4m 27s
Local CLI `vp install` E2E test	0s
done	3s
	56m 32s

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