refactor(admin): consolidate duplicate configuration

Remove duplicate comment, captcha, filing, and website-security configuration paths.

Move front submission verification to the captcha scene matrix and retire obsolete admin routes and components.

assets/admin/src/schema/sections/permissions/index.js

@@ -20,7 +20,6 @@ export const permissionsSchemas = {
         'comment', 'login', 'register', 'bind', 'bind_phone',
         'lostpassword', 'change_password', 'change_email', 'verify_email', 'download', 'signin',
       ],
-      disabled_scenarios: [],
       tencent: {},
       aliyun: {},
       cloudflare: {},
@@ -75,6 +74,7 @@ export const permissionsSchemas = {
               { label: '邮箱验证', value: 'verify_email' },
               { label: '资源下载', value: 'download' },
               { label: '每日签到', value: 'signin' },
+              { label: '前台投稿', value: 'front_submit' },
             ],
           },
         ],