Revert of Add BoringSSL to DEPS.

Revert of Add BoringSSL to DEPS. (https://codereview.chromium.org/356833002/)

Reason for revert:
Broke most of the Blink builders: http://build.chromium.org/p/chromium.webkit/builders/WebKit%20Win%20Builder%20%28dbg%29/builds/51493/steps/gclient_revert/logs/stdio

Original issue's description:
> Add BoringSSL to DEPS.
> 
> This change is just pulling in the code. It won't be compiled or used
> yet.
> 
> BUG=none
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=279819

TBR=agl@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=none

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=279839

[f(malita), 2014-06-25 22:32:45]

Created Revert of Add BoringSSL to DEPS.

[commit-bot: I haz the power, 2014-06-25 22:34:00]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/fmalita@chromium.org/356833003/1

[commit-bot: I haz the power, 2014-06-25 22:35:41]

Change committed as 279839