Fix incorrect docstring for `powershell.cwd` (#4171)
Fix incorrect docstring for `powershell.cwd` (#4171)

This variable never could have accepted VS Code predefined variables
because support for that is still an open feature request upstream. We
have no API to resolve predefined variables in values given to
contributed settings, and so cannot support this.

Co-authored-by: Patrick Meinecke <bbb15ec5e10e8be02804486fe5342f48648e6a55@users.noreply.github.com>
PowerShell/vscode-powershell