fix: Do not include user information in Host header #2634

Job	Run time
Verify hyper.h is up to date	25s
semver	21s
Check Style	12s
Check MSRV	49s
features	34s
Test C API (FFI)	18s
minimal-versions	28s
Test with Miri	1m 56s
Test stable on ubuntu-latest	33s
udeps	18s
Test stable on windows-latest	26s
Test stable on macOS-latest	6s
Test beta on ubuntu-latest	16s
Test beta on windows-latest	18s
Test beta on macOS-latest	16s
Test nightly on ubuntu-latest	18s
Test nightly on windows-latest	19s
Test nightly on macOS-latest	18s
Check exposed types	0s
Build docs	0s
CI is green	0s
	8m 11s

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