Short answer
If you may need the eSIM again, turn it off first. Delete it only when you are sure you no longer need it.
To turn the eSIM off
Open phone settings.
Open the travel eSIM line.
Switch the line off.
To remove the eSIM
Open phone settings.
Open the travel eSIM line.
Choose Remove eSIM or Delete eSIM.
Important
Deleting the eSIM can prevent further troubleshooting or reuse. If you are still waiting for support, do not delete it yet.