Here is the notice we received:
There's been a change to some of your cruise plans
Dear Guest, we’ve processed an excursion cancellation on your reservation for one of the following scenarios:
You’ve requested for an excursion to be cancelled
There’s been a change to your itinerary
Operational reasons
If you didn’t cancel the excursion yourself, we apologize for the inconvenience.
A refund will be issued to your original form of payment. Please allow 7 to 10 business days for this transaction to be completed.
To select a new excursion, please log-in to your account at https://www.celebrity.com/account/ to review your shore excursions.