delete dist

(cherry picked from commit 02bfb7b6d3c5df866937ae8e32e00d4d36cb4005)

ocaml-dune.spec

@@ -6,7 +6,7 @@
 
 Name:           ocaml-%{libname}
 Version:        2.9.1
-Release:        1%{?dist}
+Release:        2
 Summary:        A composable build system for OCaml
 
 # Dune itself is MIT.  Some bundled libraries have a different license:
@@ -206,6 +206,9 @@ cp -ar README.md CHANGES.md MIGRATION.md doc/_build/* %{buildroot}%{_pkgdocdir}/
 %{_emacs_sitelispdir}/dune*
 
 %changelog
+* Thu Mar 24 2022 wulei <wulei80@huawei.com> - 2.9.1-2
+- Delete {?dist}
+
 * Thu Jan 20 2022 liyanan <liyanan32@huawei.com> - 2.9.1-1
 - update to 2.9.1