(MODULES-3690) Remove Read-BytesFromStream
(MODULES-3690) Remove Read-BytesFromStream

 - A buffering cmdlet is not necessary here - PipeStream.Read will
   block until all bytes are ready or an EOF / broken pipe occurs.

   This function was unnecessary work.

puppetlabs/puppetlabs-powershell,Iristyle/puppetlabs-powershell