You can delete an employee profile as long as it isn't linked to any lessons. If they do have lessons on the calendar, it's best to switch their status to "Inactive" and disable their account by following the steps in this article: Disabling a User Account.
You can follow the steps below to delete an employee's profile:
Click on "Employees" and then click on "Employee List".
Use the "Search" field at the top and enter the employee's name.
Click on the "Delete" button in the employee's row.
Confirm the deletion in the pop-up by clicking on "OK"