Panorama panel will be hidden on issues in this project.
Links to Panorama add-on on the sidebar will be hidden.
It will be still possible to add issues from those projects to your panoramas.
Open Project Settings page of the Project for which you want to disable panorama
Navigate to the Panorama settings sub-page
Click the slider next to the "PANORAMA IS ENABLED", once it changes to "PANORAMA IS DISABLED" you have disabled panorama for this project