get rid of useless <prefix>/bin/replace binary (a demo only)

perl-util/perl-util.spec

@@ -130,6 +130,9 @@ AutoReqProv:  no
     %{l_prefix}/bin/perl-openpkg install -d %{SOURCE12}
     %{l_prefix}/bin/perl-openpkg install -d %{SOURCE13}
 
+    #   cleanup installation files
+    rm -f $RPM_BUILD_ROOT%{l_prefix}/bin/replace # demo from "Startup" module
+
     #   perform common epilog operations
     %{l_prefix}/bin/perl-openpkg epilog