Final answer:
Sushi rolls should be removed from the menu.
Step-by-step explanation:
In this case, the item that should be removed from the menu is sushi rolls. Although sushi rolls are a popular and delicious choice, they may not be appropriate for the Christmas dinner menu at a retirement residence. Many older adults may not be accustomed to or have dietary restrictions that prevent them from enjoying sushi. It is important to consider the preferences and needs of the residents when planning the menu for an event like this.