Revert "Increase the target new space size to the max new space size"
Revert "Increase the target new space size to the max new space size"

TBR=hpayer@chromium.org
BUG=v8:3626
LOG=n

Review URL: https://codereview.chromium.org/724543003

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#25314}

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh