code: func (c *Client) OrganizationAppCollaboratorDelete(appIdentity string, collaboratorIdentity string) error {
  	return c.Delete("/organizations/apps/" + appIdentity + "/collaborators/" + collaboratorIdentity)
  }
docs: // Delete an existing collaborator from an organization app.
  //
  // appIdentity is the unique identifier of the OrganizationAppCollaborator's
  // App. collaboratorIdentity is the unique identifier of the
  // OrganizationAppCollaborator's Collaborator.