Remove obsolete VM symlink instruction for govukcli
Remove obsolete VM symlink instruction for govukcli

As of https://github.com/alphagov/govuk-puppet/pull/9209, we no
longer need to manually symlink the `govukcli` command inside the VM.
This is now done for us automatically.
alphagov/govuk-developer-docs,alphagov/govuk-developer-docs,alphagov/govuk-developer-docs,alphagov/govuk-developer-docs