fix(BasicTable): headerCell slot title not exist

src/components/Table/src/hooks/useColumns.ts

@@ -150,9 +150,7 @@ export function useColumns(
       const { slots, customRender, format, edit, editRow, flag } = column;
 
       if (!slots || !slots?.title) {
-        // column.slots = { title: `header-${dataIndex}`, ...(slots || {}) };
         column.customTitle = column.title;
-        Reflect.deleteProperty(column, 'title');
       }
       const isDefaultAction = [INDEX_COLUMN_FLAG, ACTION_COLUMN_FLAG].includes(flag!);
       if (!customRender && format && !edit && !isDefaultAction) {