opam-monorepo.0.2.1: Avoid duplication by depending on conf-pkg-config

packages/opam-monorepo/opam-monorepo.0.2.1/opam

@@ -14,28 +14,11 @@ bug-reports: "https://github.com/ocamllabs/opam-monorepo/issues"
 depends: [
   "dune" {>= "2.6"}
   "ocaml" {>= "4.08.0" & < "4.12"}
+  "conf-pkg-config" {build}
 ]
 dev-repo: "git+https://github.com/ocamllabs/opam-monorepo.git"
 build: [ "dune" "build" "-p" name "-j" jobs "@install" "@runtest" {with-test} ]
 flags: [ plugin ]
-depexts: [
-  ["devel/pkgconf"] {os = "openbsd"}
-  ["pkg-config"] {os-distribution = "cygwinports"}
-  ["pkg-config"] {os-family = "debian"}
-  ["pkg-config"] {os = "macos" & os-distribution = "homebrew"}
-  ["pkgconf"] {os = "freebsd"}
-  ["pkgconf"] {os-distribution = "alpine"}
-  ["pkgconf"] {os-distribution = "arch"}
-  ["pkgconf-pkg-config"] {os-distribution = "centos" & os-version >= "8"}
-  ["pkgconf-pkg-config"] {os-distribution = "rhel" & os-version >= "8"}
-  ["pkgconfig"] {os-distribution = "fedora"}
-  ["pkgconfig"] {os-distribution = "mageia"}
-  ["pkgconfig"] {os-distribution = "nixos"}
-  ["pkgconfig"] {os-distribution = "ol"}
-  ["pkgconfig"] {os = "macos" & os-distribution = "macports"}
-  ["pkgconfig"] {os-distribution = "centos" & os-version <= "7"}
-  ["pkgconfig"] {os-distribution = "rhel" & os-version <= "7"}
-]
 x-commit-hash: "89ecff43af77614a58c11ffc565af9dd26dca555"
 url {
   src: