Do not restart apache server when not necessary.

https://fedorahosted.org/freeipa/ticket/4352

Reviewed-By: Martin Kosek <mkosek@redhat.com>

install/tools/ipa-replica-install

@@ -693,7 +693,6 @@ def main():
         CA.configure_certmonger_renewal()
         CA.import_ra_cert(config.dir + "/ra.p12")
         CA.fix_ra_perms()
-        services.knownservices.httpd.restart()
 
     # The DS instance is created before the keytab, add the SSL cert we
     # generated