Revert Duolingo JWT friend streak implementation

settings.php

@@ -1529,14 +1529,6 @@ function themeoptions_page(){
 
 					</tr>
 
-					<tr>
-						<th><label>Duolingo JWT Token</label></th>
-						<td>
-							<input name="argon_duolingo_jwt" type="text" class="regular-text" value="<?php echo get_option('argon_duolingo_jwt', ''); ?>" placeholder="<?php _e('手动填入抓包得到的 jwt', 'argon');?>">
-							<p class="description"><?php _e('在浏览器登录多邻国网页版后，按 F12 并在 Application -> Cookies 里找到 jwt 并填入，用于自动获取友情连胜数据', 'argon');?></p>
-						</td>
-					</tr>
-
 					<tr><th class="subtitle"><h2 id="section-announcement"><?php _e('博客公告', 'argon');?></h2></th></tr>
 
 					<tr>
@@ -2870,9 +2862,6 @@ function themeoptions_page(){
 								alert('✗ <?php _e('清除失败:', 'argon'); ?> ' + response.data.message);
 							}
 							$btn.prop('disabled', false).html(originalHtml);
-						}).fail(function() {
-							alert('<?php _e('请求失败，请重试', 'argon'); ?>');
-							$btn.prop('disabled', false).html(originalHtml);
 						});
 					});
 					
@@ -6890,19 +6879,12 @@ function argon_update_themeoptions(){
 
 		argon_update_option('argon_show_duolingo_streak');
 		argon_update_option('argon_duolingo_username');
-		if (isset($_POST['argon_duolingo_jwt'])) {
-			argon_update_option('argon_duolingo_jwt');
-		}
-		delete_option('argon_duolingo_friend_streak');
 		
-		// Clean up old transient and options
 		delete_option('argon_duolingo_email');
 		delete_transient('argon_duo_login_error');
 
 		argon_update_option('argon_banner_title');
 
-		argon_update_option('argon_banner_subtitle');
-
 		argon_update_option('argon_banner_background_url');
 
 		argon_update_option('argon_banner_background_color_type');