build/rgw/lua: remove lua-devel as a runtime dependency

this is due to the fact that lua-devel
cannot be installed in teuthology for rhel8

this would fail the build of some luarocks packages

Fixes: https://tracker.ceph.com/issues/63672

Signed-off-by: Yuval Lifshitz <[email protected]>

Author: yuvalif

ceph.spec.in

@@ -283,7 +283,6 @@ BuildRequires:  librabbitmq-devel
 BuildRequires:  librdkafka-devel
 %endif
 %if 0%{with lua_packages}
-Requires:	lua-devel
 Requires:  %{luarocks_package_name}
 %endif
 %if 0%{with make_check}