Revert of Cast: Added a EncodingEventSubscriber to cast sender app. (https://codereview.chromium.org/162103002/)

Reason for revert:
Broke 32 bit bots, printf() usage is non-portable.

Original issue's description:
> Cast: Added a EncodingEventSubscriber to cast sender app.
> 
> - Logs encoded uncompressed raw events for the first X seconds to a file path Y, where X and Y
>   can be specified by the user.
> - Also outputs some basic stats.
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=251972

TBR=hclam@chromium.org,imcheng@chromium.org
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/170283009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@251980 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 251980