Remove WebRtcIsac_Highpass_float().

Remove WebRtcIsac_Highpass_float().

This function is unreferenced and not even declared in a header file.

Split from https://codereview.webrtc.org/1228793004/ .

BUG=none
TEST=none

Committed: https://crrev.com/805d8fb6eba5dfe4a1d4a875769d2f355683e21d
Cr-Commit-Position: refs/heads/master@{#9716}

[Peter Kasting, 2015-08-14 00:08:04]

pkasting@chromium.org changed reviewers:
+ minyue@webrtc.org

[Peter Kasting, 2015-08-14 00:08:05]

I carved this off from the larger CL, since you wanted me to avoid removing it
as part of that CL.

[minyue-webrtc, 2015-08-14 08:11:57]

On 2015/08/14 00:08:05, Peter Kasting wrote:
> I carved this off from the larger CL, since you wanted me to avoid removing it
> as part of that CL.

LGTM

maybe rename the title to Remove WebRtcIsac_Highpass_float().

[Peter Kasting, 2015-08-14 19:36:46]

On 2015/08/14 08:11:57, minyue-webrtc wrote:
> maybe rename the title to Remove WebRtcIsac_Highpass_float().

Done, and added a clarifying note.

[Peter Kasting, 2015-08-14 19:36:49]

The CQ bit was checked by pkasting@chromium.org

[commit-bot: I haz the power, 2015-08-14 19:37:08]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1296513002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1296513002/20001

[commit-bot: I haz the power, 2015-08-14 19:38:06]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-08-14 19:38:16]

Patchset 2 (id:??) landed as
https://crrev.com/805d8fb6eba5dfe4a1d4a875769d2f355683e21d
Cr-Commit-Position: refs/heads/master@{#9716}