docs: 移除注释中的冗余TAG标记

清理注册、课程详情和忘记密码页面中的注释标记，使代码注释更简洁

@@ -160,7 +160,7 @@ const sendVerificationCode = async () => {
   }
 
   try {
-    // TAG: 调用发送验证码API
+    // 调用发送验证码API
     const { code } = await smsAPI({ mobile: formData.phone })
     if (code === 1) {
       showToast('验证码已发送')
@@ -183,7 +183,7 @@ const handleSubmit = async () => {
     error.value = ''
     loading.value = true
 
-    // TAG: 调用重置密码API
+    // 调用重置密码API
     const { code } = await resetPasswordAPI({
       mobile: formData.phone,
       sms_code: formData.verificationCode,

@@ -243,7 +243,7 @@ const sendVerificationCode = async () => {
   }
 
   try {
-    // TAG: 调用发送验证码API
+    // 调用发送验证码API
     const { code } = await smsAPI({ mobile: formData.phone })
     if (code === 1) {
       showToast('验证码已发送')

@@ -783,7 +783,7 @@ onMounted(async () => {
     router.push('/courses')
   }
 
-  // TAG: 录入个人信息表单的标记, 进入页面时清理所有info_entry_completed_开头的localStorage标记
+  // 录入个人信息表单的标记, 进入页面时清理所有info_entry_completed_开头的localStorage标记
   const keysToRemove = []
   for (let i = 0; i < localStorage.length; i++) {
     const key = localStorage.key(i)