Revert 224789 "Add PE64 support to courgette"

Caused failures: http://build.chromium.org/p/chromium.win/builders/Win7%20Tests%20%28dbg%29%281%29/builds/23037/steps/courgette_unittests/logs/stdio

> Add PE64 support to courgette
> 
> Add tests for PE64
> 
> BUG=38784
> 
> Review URL: https://chromiumcodereview.appspot.com/23600063

TBR=wfh@chromium.org

Review URL: https://codereview.chromium.org/23591065

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@224806 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 224806