Remove an errant include to fix random build failures.
Remove an errant include to fix random build failures.

R=chrisha@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1229873004 .

supriyantomaftuh/syzygy,google/syzygy,Eloston/syzygy,supriyantomaftuh/syzygy,google/syzygy,Eloston/syzygy,supriyantomaftuh/syzygy,google/syzygy,google/syzygy,supriyantomaftuh/syzygy