Remove Space Watch

Removes a user as a watcher from a space. Choose the user by doing one ofthe following:- Specify a user via a query parameter: Use the `accountId` to identify the user.- Do not specify a user: The currently logged-in user will be used.**[Permissions](https://confluence.atlassian.com/x/_AozKw) required**:'Confluence Administrator' global permission if specifying a user, otherwisepermission to access the Confluence site ('Can use' global permission).