Revert of Avoiding overflow in cross correlation in NetEq. (patchset #6 id:180001 of https://codereview.webrtc.org/1908623002/ )

Reason for revert:
There seems an error made in this patch.

Hi Henrik,

I think the bit shift returned by CrossCorrelationWithAutoShift may be wrongly used by DotProduct.

We'd better revert this CL.

Doing another fix (and future fixes) will be paintful. I will work on a easy-to-modify bitexactness test first.

Original issue's description:
> Avoiding overflow in cross correlation in NetEq.
>
> BUG=

TBR=henrik.lundin@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Review-Url: https://codereview.webrtc.org/1925053002
Cr-Original-Commit-Position: refs/heads/master@{#12543}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 8c22962474c8ec9184d2475951829689640e864b
12 files changed