revert: hyper v1 upgrade (for now) #1748

Job	Run time
Docs	1m 28s
Check Style	3s
linux / nightly	1m 16s
Android	23s
MSRV	2m 54s
linux / stable	1m 7s
unstable features	25s
WASM	57s
linux / beta	53s
macOS / stable	1m 57s
windows / stable-x86_64-msvc	3m 4s
windows / stable-i686-msvc	5m 18s
windows / stable-x86_64-gnu	7m 52s
windows / stable-i686-gnu	8m 3s
feat.: default-tls disabled	46s
feat.: rustls-tls	49s
feat.: rustls-tls-manual-roots	57s
feat.: native-tls	49s
feat.: default-tls and rustls-tls	54s
feat.: cookies	50s
feat.: blocking	59s
feat.: gzip	1m 7s
feat.: brotli	53s
feat.: deflate	1m 1s
feat.: json	1m 7s
feat.: multipart	48s
feat.: stream	51s
feat.: socks/default-tls	49s
feat.: socks/rustls-tls	54s
feat.: trust-dns	1m 1s
CI is green	1s
	50m 16s

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