refactor: remove unused classroom fields

apps/admin/src/pages/Classrooms/index.tsx

@@ -154,8 +154,6 @@ const ClassroomsPage: React.FC = () => {
       render: (v: string) => <Tag color={typeColor[v] || 'default'}>{v || '-'}</Tag>,
     },
     { title: '容量', dataIndex: 'capacity', width: 80 },
-    { title: '课程类型', dataIndex: 'courseType', width: 100, render: (v: string) => v || '-' },
-    { title: '负责人', dataIndex: 'supervisor', width: 100, render: (v: string) => v || '-' },
     {
       title: '状态', width: 100,
       dataIndex: 'status',
@@ -325,12 +323,6 @@ const ClassroomsPage: React.FC = () => {
           <Form.Item name="capacity" label="容量">
             <InputNumber min={1} max={500} style={{ width: '100%' }} />
           </Form.Item>
-          <Form.Item name="courseType" label="课程类型" tooltip="如：尊享培优班 / 专业课集训班">
-            <Input />
-          </Form.Item>
-          <Form.Item name="supervisor" label="负责人/班主任">
-            <Input />
-          </Form.Item>
           <Form.Item name="notes" label="备注">
             <Input.TextArea rows={2} />
           </Form.Item>