chore: Remove TimeTable.less (#19463)

* Remove TimeTable less

* Remove className

* Update superset-frontend/src/visualizations/TimeTable/TimeTable.jsx

Co-authored-by: Michael S. Molina <70410625+michael-s-molina@users.noreply.github.com>

Co-authored-by: Michael S. Molina <70410625+michael-s-molina@users.noreply.github.com>

superset-frontend/src/visualizations/TimeTable/TimeTable.jsx

@@ -31,7 +31,6 @@ import sortNumericValues from 'src/utils/sortNumericValues';
 
 import FormattedNumber from './FormattedNumber';
 import SparklineCell from './SparklineCell';
-import './TimeTable.less';
 
 const ACCESSIBLE_COLOR_BOUNDS = ['#ca0020', '#0571b0'];
 
@@ -101,6 +100,7 @@ const defaultProps = {
 
 const TimeTableStyles = styled.div`
   height: ${props => props.height}px;
+  overflow: auto;
 
   th {
     z-index: 1; // to cover sparkline
@@ -325,7 +325,11 @@ const TimeTable = ({
       : [];
 
   return (
-    <TimeTableStyles className={`time-table ${className}`} height={height}>
+    <TimeTableStyles
+      data-test="time-table"
+      className={className}
+      height={height}
+    >
       <TableView
         className="table-no-hover"
         columns={memoizedColumns}

superset-frontend/src/visualizations/TimeTable/TimeTable.less

@@ -1,21 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-.time-table {
-  overflow: auto;
-}