Sets the time entries with the specified ids to unbilled.
For setting already billed time entries to unbilled, the user needs to have admin permissions.
<Check title="Required Permissions">Any authenticated user.</Check>
Authentication
AuthorizationBearer
Bearer authentication of the form Bearer <token>, where token is your auth token.
Request
The model for ids of the time entries.
ids
The ids of the time entries, which should be set to billed.
Response
OK

