Revert of Add Widevine signature files into Mac build

Revert of Add Widevine signature files into Mac build (patchset #8 id:140001 of https://codereview.chromium.org/2647393004/ )

Reason for revert:
Broke official build https://crbug.com/695761

Original issue's description:
> Add Widevine signature files into Mac build
> 
> On official Mac builds Widevine is included in the app. This change adds
> the matching signature files needed by Widevine.
> 
> BUG=684871
> TEST=signature files created in the correct place when is_official_build
> 
> Review-Url: https://codereview.chromium.org/2647393004
> Cr-Commit-Position: refs/heads/master@{#452603}
> Committed: https://chromium.googlesource.com/chromium/src/+/5762e61a17e4e05c490be128fd96204f24c1a457

TBR=xhwang@chromium.org,rkuroiwa@chromium.org,kerrnel@chromium.org,dpranke@chromium.org,jrummell@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=684871
Review-Url: https://codereview.chromium.org/2714643009
Cr-Commit-Position: refs/heads/master@{#452832}
Committed: https://chromium.googlesource.com/chromium/src/+/72d281d8c6fc0e2c94c2545c7d6c7ad7409324e7

[Robert Sesek, 2017-02-24 15:38:06]

The CQ bit was checked by rsesek@chromium.org

[Robert Sesek, 2017-02-24 15:38:06]

Created Revert of Add Widevine signature files into Mac build

[commit-bot: I haz the power, 2017-02-24 15:38:14]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-02-24 15:38:55]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1487950686006650, "parent_rev":
"6962ffc37ce45ba4e67864ff21b719aa6ff7ec16", "commit_rev":
"72d281d8c6fc0e2c94c2545c7d6c7ad7409324e7"}

[commit-bot: I haz the power, 2017-02-24 15:39:34]

Description was changed from

==========
Revert of Add Widevine signature files into Mac build (patchset #8 id:140001 of
https://codereview.chromium.org/2647393004/ )

Reason for revert:
Broke official build https://crbug.com/695761

Original issue's description:
> Add Widevine signature files into Mac build
> 
> On official Mac builds Widevine is included in the app. This change adds
> the matching signature files needed by Widevine.
> 
> BUG=684871
> TEST=signature files created in the correct place when is_official_build
> 
> Review-Url: https://codereview.chromium.org/2647393004
> Cr-Commit-Position: refs/heads/master@{#452603}
> Committed:
https://chromium.googlesource.com/chromium/src/+/5762e61a17e4e05c490be128fd96...

TBR=xhwang@chromium.org,rkuroiwa@chromium.org,kerrnel@chromium.org,dpranke@ch...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=684871
==========

to

==========
Revert of Add Widevine signature files into Mac build (patchset #8 id:140001 of
https://codereview.chromium.org/2647393004/ )

Reason for revert:
Broke official build https://crbug.com/695761

Original issue's description:
> Add Widevine signature files into Mac build
> 
> On official Mac builds Widevine is included in the app. This change adds
> the matching signature files needed by Widevine.
> 
> BUG=684871
> TEST=signature files created in the correct place when is_official_build
> 
> Review-Url: https://codereview.chromium.org/2647393004
> Cr-Commit-Position: refs/heads/master@{#452603}
> Committed:
https://chromium.googlesource.com/chromium/src/+/5762e61a17e4e05c490be128fd96...

TBR=xhwang@chromium.org,rkuroiwa@chromium.org,kerrnel@chromium.org,dpranke@ch...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=684871

Review-Url: https://codereview.chromium.org/2714643009
Cr-Commit-Position: refs/heads/master@{#452832}
Committed:
https://chromium.googlesource.com/chromium/src/+/72d281d8c6fc0e2c94c2545c7d6c...
==========

[commit-bot: I haz the power, 2017-02-24 15:39:35]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/72d281d8c6fc0e2c94c2545c7d6c...