Issue #3110896 by aakashko, owenbush: Remove all deprecated function calls for Drupal 9

recurring_events.tokens.inc

src/Entity/EventSeries.php

src/EventCreationService.php

src/EventInstanceListBuilder.php

src/EventSeriesListBuilder.php

src/Form/EventInstanceDeleteForm.php

src/Form/EventSeriesDeleteForm.php

...lugin/Field/FieldFormatter/EventInstanceDateFormatter.php

src/Plugin/Field/FieldType/ConsecutiveRecurringDate.php

src/Plugin/Field/FieldType/DailyRecurringDate.php

src/Plugin/Field/FieldType/MonthlyRecurringDate.php

src/Plugin/Field/FieldType/WeeklyRecurringDate.php