AW: Remove unused aw_result_codes.h

The RESULT_CODE_MISSING_DATA in aw_result_codes.h is unused.
The CL removes it.

Change-Id: Icc37c7f73711a30ca06b799e7c3c747b92d9d0ea
Reviewed-on: https://chromium-review.googlesource.com/913171
Reviewed-by: Bo <boliu@chromium.org>
Commit-Queue: Bo <boliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#536073}
3 files changed