Remove duplicate QA attribute for burndown charts

ee/app/assets/javascripts/burndown_chart/components/burn_charts.vue

@@ -56,7 +56,7 @@ export default {
 </script>
 
 <template>
-  <div data-qa-selector="burndown_chart">
+  <div>
     <div class="burndown-header d-flex align-items-center">
       <h3 ref="chartsTitle">{{ title }}</h3>
       <gl-button-group class="ml-3 js-burndown-data-selector">

ee/changelogs/unreleased/214686-burndown-ambiguous-match.yml

+---
+title: Remove duplicate QA attribute for burndown charts
+merge_request: 29719
+author:
+type: fixed