Start-PesterConsoleTranscript may break since transcripts can't be nested

[mrtns]

If a sut already relies on Start-Transcript, executing it in the context of a Pester It function will fail, as Start-Transcript cannot be nested.

[scottmuc]

Starting to wonder if Context to be best utilized as simply an alias of Describe.

[scottmuc]

Closing this because Pester no longer records a console transcript.