fix(wizard): 存储步骤去掉推荐文案;空态列表补腾讯云对象存储(COS 后端早已支持)

frontend/src/pages/wizard/components/StepStorage.tsx

@@ -1,5 +1,5 @@
 import { memo, useState } from 'react'
-import { Plus, CheckCircle2, Database } from 'lucide-react'
+import { Plus, Database } from 'lucide-react'
 import { useTranslation } from 'react-i18next'
 import { Button } from '@/components/ui/button'
 import { Card, CardContent } from '@/components/ui/card'
@@ -52,10 +52,6 @@ export const StepStorage = memo(function StepStorage({
           </div>
         </div>
 
-        <div className="flex items-start gap-2 rounded-lg bg-muted/50 p-3 text-xs text-muted-foreground leading-5">
-          <CheckCircle2 className="w-4 h-4 mt-0.5 text-success flex-shrink-0" />
-          <p>{t('storage.hint')}</p>
-        </div>
 
         <StorageFormDialog open={open} onOpenChange={setOpen} onCreated={onChanged} />
       </CardContent>