[Update] 重构 LDAP/AD 同步功能，添加缓存机制 3

apps/settings/templates/settings/ldap_setting.html

@@ -63,9 +63,8 @@
                                         <div class="col-sm-4 col-sm-offset-2">
                                             <button class="btn btn-default" type="reset"> {% trans 'Reset' %}</button>
                                             <button class="btn btn-default btn-test" type="button"> {% trans 'Test connection' %}</button>
-{#                                            <button class="btn btn-primary sync_button " data-toggle="modal" data-target="#sync_users_modal" type="button">{% trans 'Synchronization' %}</button>#}
-                                            <button id="submit_button" class="btn btn-primary" type="submit">{% trans 'Submit' %}</button>
                                             <button class="btn btn-default sync_button " data-toggle="modal" data-target="#ldap_list_users_modal" type="button">{% trans 'Bulk import' %}</button>
+                                            <button id="submit_button" class="btn btn-primary" type="submit">{% trans 'Submit' %}</button>
                                         </div>
                                     </div>
                                     </form>