Swanly roadmaps tab is enabled by default in each project. There is an option to disable the app on the project level.
How to disable Swanly roadmaps tab from the project menu
Disable or enable Swanly in the project 1 (Screenshot)
Go to:
In Company-managed (former Classic) projects: Project settings > Swanly roadmaps
In Team-managed (former Next-Gen) projects: Project settings > Apps > Swanly roadmaps
Uncheck toggle Enable/Disable Swanly app in this project
The Swanly roadmaps tab is now hidden from the Project menu.
When disabled on a project level, you still can use Swanly on portfolio level via Apps > Swanly roadmaps