整理代码 review by zhanglixia

@@ -191,8 +191,7 @@ export default class Brand extends Component {
                 />
 
                 {showIndexForListView?<IndexListView dataSource={list} onLetterPress={this.scrollToSection}/>: null}
-                {showSearch ? <BrandSearch style={styles.search} data={search}/> : null}
-
+                
                 <LoadingIndicator
                     isVisible={isFetching}
                 />