fix(登录): 移除默认用户名和密码

出于安全考虑，移除登录表单中的默认凭据

src/views/auth/login/index.vue

@@ -107,8 +107,8 @@
   const formRef = ref<FormInstance>()
   const loading = ref(false)
   const formData = reactive({
-    username: 'admin',
-    password: '123456',
+    username: '',
+    password: '',
     rememberPassword: true
   })