Revert "Implement discontinuous loops AST analysis" This reverts commit f30a9ba96bdfa014fc182060c714a2c75451f4cf. Change-Id: I577cfd1e7d5d6138413c29205cbf4d35b6861226 Reviewed-on: https://chromium-review.googlesource.com/263754 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Tested-by: Corentin Wallez <cwallez@chromium.org>