lib: deprecate _http_* #2885

Job	Run time
Build slim tarball	1m 30s
aarch64-darwin: with shared libraries	2m 42s
x86_64-darwin: with shared libraries	2m 45s
x86_64-linux: with shared libraries	2m 39s
aarch64-linux: with shared libraries	2m 36s
	12m 12s

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