ShCheckVariablesWithinPackingLimits: remove deprecated overload BUG=621031 Change-Id: Ib4cdd88ecd58f617813a91379a8b8b518fba149b Reviewed-on: https://chromium-review.googlesource.com/364910 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Corentin Wallez <cwallez@chromium.org>