Drop tile titles and tileKey from article detail boxes.

src/components/article/boxes/ArticleViewStock.jsx

@@ -2,7 +2,6 @@ import { Component } from 'react';
 import Box from '@mui/material/Box';
 import Typography from '@mui/material/Typography';
 import { PanelTile } from '../../panels';
-import { PANEL_TILE_KEYS } from '../../../theme';
 import { formatStock } from '../../../pages/artikel/searchFormat';
 
 class PanelValue extends Component {
@@ -30,12 +29,7 @@ export default class ArticleViewStock extends Component {
   render() {
     const { article: articleData } = this.props;
     return (
-      <PanelTile
-        wide={1}
-        tileKey={PANEL_TILE_KEYS.stock}
-        title="Bestand"
-        minHeight={SECOND_ROW_MIN_HEIGHT}
-      >
+      <PanelTile wide={1} minHeight={SECOND_ROW_MIN_HEIGHT}>
         <PanelValue>
           {articleData.stock != null ? formatStock(articleData.stock) : null}
         </PanelValue>