Revert "adjust property name to make it work with changes calendar bundle"

This reverts commit 12c37ddb2c.

src/Bundle/ChillCalendarBundle/Export/Aggregator/JobAggregator.php

@@ -87,6 +87,6 @@ final class JobAggregator implements AggregatorInterface
 
     public function getTitle(): string
     {
-        return 'Group calendars by agent job';
+        return 'Group appointments by agent job';
     }
 }