remove package.cfg per new epel-playground policy

ocaml-dune.spec

@@ -1,6 +1,6 @@
 Name:           ocaml-dune
 Version:        1.11.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        A composable build system for OCaml
 
 %global libname %(echo %{name} | sed -e 's/^ocaml-//')
@@ -24,7 +24,6 @@ BuildRequires:  python3-sphinx_rtd_theme
 # Required by tests.
 BuildRequires:  git
 BuildRequires:  ocaml-menhir
-BuildRequires:  ocaml-result-devel
 
 # Dune has vendored deps (ugh):
 # I'm not clear on how to unbundle them.
@@ -157,6 +156,9 @@ cp -ar README.md CHANGES.md doc/_build/* %{buildroot}%{_pkgdocdir}/
 %doc %{_pkgdocdir}/*
 
 %changelog
+* Fri Nov 22 2019 Andy Li <andy@onthewings.net> - 1.11.0-4
+- Remove unused BuildRequires on ocaml-result.
+
 * Fri Aug 16 2019 Richard W.M. Jones <rjones@redhat.com> - 1.11.0-3
 - OCaml 4.08.1 (final) rebuild.