don't test against Coq master (it is broken)

.gitlab-ci.yml

@@ -27,12 +27,6 @@ variables:
 
 ## Build jobs
 
-# We are in Coq's benchmark suite, so better make sure we keep working with Coq master.
-build-coq.dev:
-  <<: *template
-  variables:
-    OPAM_PINS: "coq version dev"
-
 build-coq.8.13.1:
   <<: *template
   variables:
@@ -45,7 +39,7 @@ build-coq.8.13.1:
 build-iris.dev:
   <<: *template
   variables:
-    OPAM_PINS: "coq version dev   coq-stdpp.dev git git+https://gitlab.mpi-sws.org/iris/stdpp.git#$STDPP_REV   coq-iris.dev git git+https://gitlab.mpi-sws.org/iris/iris.git#$IRIS_REV"
+    OPAM_PINS: "coq version 8.13.dev   coq-stdpp.dev git git+https://gitlab.mpi-sws.org/iris/stdpp.git#$STDPP_REV   coq-iris.dev git git+https://gitlab.mpi-sws.org/iris/iris.git#$IRIS_REV"
   except:
   only:
   - triggers