lib: revert primordials in a hot path

Evidence has shown that use of primordials have sometimes an impact of
performance. This commit reverts the changes who are most likely to be
responsible for performance regression in the HTTP response path.

PR-URL: https://github.com/nodejs/node/pull/38248


Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>