remove defaulting to query assist time range (#1805) (#1806)

(cherry picked from commit 8d13272)

Signed-off-by: Joshua Li <[email protected]>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: opensearch-trigger-bot[bot]

public/components/event_analytics/explorer/log_explorer.tsx

@@ -79,9 +79,7 @@ export const LogExplorer = ({
     });
   };
 
-  const dateRange = coreRefs.queryAssistEnabled
-    ? [QUERY_ASSIST_START_TIME, QUERY_ASSIST_END_TIME]
-    : getDateRange(undefined, undefined, queries[tabIds[0]]);
+  const dateRange = getDateRange(undefined, undefined, queries[tabIds[0]]);
   const [startTime, setStartTime] = useState(dateRange[0]);
   const [endTime, setEndTime] = useState(dateRange[1]);