remove options upgrade from trial

clientarea.tpl

@@ -359,7 +359,9 @@
                         });
                       </script>
                       <div class="col-xs-{if $showcancelbutton}6{else}12{/if}">
-                        <a href="upgrade.php?type=configoptions&amp;id={$id}" class="btn btn-block btn-primary">Weiteren Speicher hinzubuchen</a>
+                        {if $billingcycle != 'Gratis-Account'}
+                          <a href="upgrade.php?type=configoptions&amp;id={$id}" class="btn btn-block btn-primary">Weiteren Speicher hinzubuchen</a>
+                        {/if}
                       </div>
                     </div>
                   {/if}