refactor: vlib rules clean up #28969

Job	Run time
Coq 8.16.1	7m 21s
Build microbenchmarks	2m 19s
Coverage (5.1.x)	10m 5s
Build (macos-latest, 5.1.x)	14m 13s
Build (ubuntu-latest, 5.1.x)	9m 11s
Create local opam switch (macos-latest, 5)	6m 58s
Build (ocaml-variants.5.3.0+trunk, ubuntu-latest, true)	5m 8s
Documentation	52s
Format	1m 3s
Create local opam switch (macos-latest, 4.14)	5m 51s
Build (4.14.x, ubuntu-latest, true)	1m 41s
Create local opam switch (ubuntu-latest, 5)	5m 2s
Build (4.14.x, macos-latest, true)	2m 39s
Create local opam switch (ubuntu-latest, 4.14)	4m 57s
Build (5.1.x, macos-13, true)	6m 37s
Build monorepo benchmark docker image	3m 45s
Nix (macos-latest)	1m 55s
Build (ocaml-base-compiler.4.14.2,system-msvc, windows-latest)	16m 15s
Nix (ubuntu-latest)	52s
Build (ocaml-base-compiler.5.1.1,system-mingw, windows-latest)	10m 28s
Build (4.08.x, ubuntu-latest, true)	1m 44s
Build (4.04.x, ubuntu-latest, true, true)	4m 48s
Build (4.02.x, ubuntu-latest, true)	4m 12s
	2h 7m 56s

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