Remove unnecessary tool from `any_install()`

The stack now supports passing down parameters to yum, so there's no
need to another case.

include/sw.sh

@@ -27,9 +27,6 @@ any_install() {
                 yum)
                     yum_install_if_needed $pkg
                     ;;
-                yum_any)
-                    yum_install_if_needed $pkg --enablerepo="*"
-                    ;;
                 *)
                     warn "unsupported tool: $tool to install $pkg"
                     ;;