"Remove Environment" path confirmation is uses the wrong format on Windows

[connor4312]

Testing #457

This should use C:/Users/...

[eleanorjboyd]

Code marker: https://github.com/eleanorjboyd/vscode-python-environments/blob/afd841ad1bbd8d18eadc13f3fccf7976459f892c/src/managers/builtin/venvUtils.ts#L548

@karthiknadig as windows expert you might be able to answer this quicker but Ill investigate on my VM

[eleanorjboyd]

still unsure why this is happening after reviewing the code- will leave open as we try and determine a repro