minor typo fix: remove debug code and fix typo (#22539)

api/templates/change_mail_confirm_old_template_zh-CN.html

@@ -111,7 +111,6 @@
     <p class="title">验证您的邮箱变更请求</p>
     <div class="description">
       <p class="content1">我们收到了一个变更您 Dify 账户关联邮箱地址的请求。</p>
-      <p class="content2">我们收到了一个变更您 Dify 账户关联邮箱地址的请求。</p>
       <p class="content3">此验证码仅在接下来的5分钟内有效：</p>
     </div>
     <div class="code-content">

api/templates/transfer_workspace_owner_confirm_template_en-US.html

@@ -143,7 +143,7 @@
     <div class="warning">Please note:</div>
     <ul class="warningList">
       <li>The ownership transfer will take effect immediately once confirmed and cannot be undone.</li>
-      <li>You’ll become a admin member, and the new owner will have full control of the workspace.</li>
+      <li>You’ll become an admin member, and the new owner will have full control of the workspace.</li>
     </ul>
     <p class="tips">If you didn’t make this request, please ignore this email or contact support immediately.</p>
   </div>

api/templates/without-brand/change_mail_confirm_old_template_zh-CN.html

@@ -108,7 +108,6 @@
     <p class="title">验证您的邮箱变更请求</p>
     <div class="description">
       <p class="content1">我们收到了一个变更您 Dify 账户关联邮箱地址的请求。</p>
-      <p class="content2">我们收到了一个变更您 Dify 账户关联邮箱地址的请求。</p>
       <p class="content3">此验证码仅在接下来的5分钟内有效：</p>
     </div>
     <div class="code-content">

api/templates/without-brand/transfer_workspace_owner_confirm_template_en-US.html

@@ -140,7 +140,7 @@
     <div class="warning">Please note:</div>
     <ul class="warningList">
       <li>The ownership transfer will take effect immediately once confirmed and cannot be undone.</li>
-      <li>You’ll become a admin member, and the new owner will have full control of the workspace.</li>
+      <li>You’ll become an admin member, and the new owner will have full control of the workspace.</li>
     </ul>
     <p class="tips">If you didn’t make this request, please ignore this email or contact support immediately.</p>
   </div>