Unassigns the user from the project. If the user is currently logged in, they are automatically logged out. If the user is assigned to only one project, they cannot be unassigned from that project.
Provide the unique identifier of the project.
"proj_TrlkLiH4"
Provide the unique identifier of the user. Alternatively, provide the user's login.
"user_v18mvPOjOXE5733eO4cAz8k1pn492wKK"
Returns no content if the user has been successfully unnassigned.