chore: remove useless code

Author: aojunhao123

examples/mutiple-with-maxCount.tsx

@@ -41,14 +41,7 @@ export default () => {
   return (
     <>
       <h2>multiple with maxCount</h2>
-      <TreeSelect
-        style={{ width: 300 }}
-        multiple
-        maxCount={3}
-        treeData={treeData}
-        // onChange={onChange}
-        // value={value}
-      />
+      <TreeSelect style={{ width: 300 }} multiple maxCount={3} treeData={treeData} />
 
       <h2>checkable with maxCount</h2>
       <TreeSelect
@@ -61,16 +54,6 @@ export default () => {
         onChange={onChange}
         value={value}
       />
-      <TreeSelect
-        style={{ width: 300 }}
-        treeData={[
-          { key: '0', value: '0', title: '0 label' },
-          { key: '1', value: '1', title: '1 label' },
-          { key: '2', value: '2', title: '2 label' },
-        ]}
-        multiple
-        maxCount={2}
-      />
     </>
   );
 };