fixing ksql table (#2115)

kafka-ui-react-app/src/components/KsqlDb/List/List.tsx

@@ -73,7 +73,6 @@ const List: FC = () => {
           <Table isFullwidth>
             <thead>
               <tr>
-                <TableHeaderCell title={' '} key="empty cell" />
                 {headers.map(({ Header, accessor }) => (
                   <TableHeaderCell title={Header} key={accessor} />
                 ))}