Removing un-needed loop
Removing un-needed loop

By moving the `buildVals["needs_v6_migration"] = false` to the start
build function this will allow the need to remove an iteration over the
build values to write.

Signed-off-by: Max Knee <7f5e603f7a06c48c79fb8adb12bad8829d3997b3@comcast.com>

concourse/concourse,concourse/concourse,concourse/concourse,concourse/concourse,concourse/concourse