chromium have replaced third_party/gold with a full copy of binutils at
third_party/binutils. It gets downloaded and extracted to
third_party/binutils/Linux_(x64|ia32)/Release as part of DEPs/gclient hooks
process.

We are now trying to remove third_party/gold.

BUG=chromium:362119
R=mithro@mithis.com

Review URL: https://webrtc-codereview.appspot.com/11619007

git-svn-id: http://libyuv.googlecode.com/svn/trunk@999 16f28f9a-4ce2-e073-06de-1de4eb20be90