Revert hack for coq 8.14 compilation.

Related issues:
- https://github.com/coq/coq/issues/15044 (bug report),
- https://github.com/ocaml/opam-repository/pull/19808 (package fix).

.gitlab-ci.yml

@@ -6,7 +6,7 @@ stages:
 variables:
   # dune takes care of parallelization itself and does not like running in parallel
   CPU_CORES: "1"
-  MAKE_TARGET: "ci"
+  MAKE_TARGET: "all_with_examples"
   OCAML: "ocaml-base-compiler.4.07.1"
 
 .template: &template

Makefile

@@ -6,10 +6,6 @@ all_with_examples: generate_all
 	@dune build --display short
 .PHONY: all_with_examples
 
-ci: restore_dune_project all_with_examples
-	@true
-.PHONY: ci
-
 install:
 	@dune install
 .PHONY: install
@@ -41,18 +37,9 @@ clean: clean_generated
 .PHONY: clean
 
 builddep-opamfiles: builddep/refinedc-builddep.opam
-	@echo "# Renaming dune-project to work around coq#15044"
-	@mv dune-project dune-project.tmp
 	@true
 .PHONY: builddep-opamfiles
 
-restore_dune_project:
-	@if [ -f dune-project.tmp ] && ! [ -e dune-project ]; then \
-		echo "# Renaming dune-project back";\
-		mv dune-project.tmp dune-project;\
-	fi
-.PHONY: restore_dune_project
-
 # Create a virtual Opam package with the same deps as RefinedC, but no
 # build. Uses a very ugly hack to use sed for removing the last 4
 # lines since head -n -4 does not work on MacOS
@@ -67,12 +54,8 @@ builddep/refinedc-builddep.opam: refinedc.opam Makefile
 #  2) they will remain satisfied even if other packages are updated/installed,
 #  3) we do not have to pin the RefinedC package itself (which takes time).
 builddep: builddep/refinedc-builddep.opam
-	@echo "# Renaming dune-project to work around coq#15044"
-	@mv dune-project dune-project.tmp
 	@echo "# Installing package $^."
 	@opam install $(OPAMFLAGS) $^
-	@echo "# Renaming dune-project back"
-	@mv dune-project.tmp dune-project
 .PHONY: builddep
 
 # FIXME