Merge "envsetup: Clarify lunch help for listing targets" into main

        echo "Note that the previous interactive menu and list of hard-coded"

        echo "list of curated targets has been removed. If you would like the"

        echo "list of products, release configs for a particular product, or"

        echo "variants, run list_products list_releases or list_variants"

        echo "variants, run the following as individual commands:"

        echo "list_products, list_releases, or list_variants"

        echo "respectively."

        echo

    ) 1>&2