Revert "coqPackages: etc"

This reverts commit 7e589a45ef.

pkgs/development/ocaml-modules/elpi/default.nix

@@ -1,13 +1,12 @@
-{ stdenv, lib, fetchzip, bash
-, buildDunePackage, camlp5
+{ stdenv, lib, fetchzip, buildDunePackage, camlp5
 , re, perl, ncurses
 , ppxlib, ppx_deriving
 , ppxlib_0_15, ppx_deriving_0_15
-, coqPackages
 , version ? "1.14.1"
 }:
 with lib;
-let fetched = coqPackages.metaFetch ({
+let fetched = import ../../../build-support/coq/meta-fetch/default.nix
+  {inherit lib stdenv fetchzip; } ({
     release."1.14.1".sha256 = "sha256-BZPVL8ymjrE9kVGyf6bpc+GA2spS5JBpkUtZi04nPis=";
     release."1.13.7".sha256 = "10fnwz30bsvj7ii1vg4l1li5pd7n0qqmwj18snkdr5j9gk0apc1r";
     release."1.13.5".sha256 = "02a6r23mximrdvs6kgv6rp0r2dgk7zynbs99nn7lphw2c4189kka";
@@ -33,11 +32,6 @@ buildDunePackage rec {
      else [ ppxlib_0_15 ppx_deriving_0_15 ]
   );
 
-  patchPhase = ''
-    sed -e "s/SHELL:=/SHELL?=/" -i Makefile || true
-  '';
-  buildPhase = "SHELL=${bash} make build";
-
   meta = {
     description = "Embeddable λProlog Interpreter";
     license = licenses.lgpl21Plus;