[FIX] base: settings: fix display discard button

odoo/addons/base/res/res_config_settings_views.xml

@@ -16,7 +16,7 @@
                         </div>
                         <header>
                             <button string="Save" type="object" name="execute" class="oe_highlight" />
-                            <button string="DISCARD" type="object" name="cancel" class="oe_link" />
+                            <button string="Discard" type="object" name="cancel" />
                         </header>
                     </div>
                     <div class="o_setting_container">