Revert "use O_DIRECT when running most Punybench filesystem tests"

This is broken on ecryptfs tests.

BUG=chrome-os-partner:30913
TEST=kernel_fs_Punybench passes on link

This reverts commit b91e8abf86113b8ecc9f139cad3978bc04d9f20d.

Change-Id: I6918f60856d33880741276b4eecb9384498a3b62
Reviewed-on: https://chromium-review.googlesource.com/276267
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Commit-Queue: Sonny Rao <sonnyrao@chromium.org>
Tested-by: Sonny Rao <sonnyrao@chromium.org>
1 file changed