Remove LayoutNGInline from LayoutNG virtual test suites args

LayoutNGInline flag was merged into LayoutNG
See https://codereview.chromium.org/2767793002/

BUG=635619

Review-Url: https://codereview.chromium.org/2774073003
Cr-Commit-Position: refs/heads/master@{#459601}
1 file changed