Revert 227365 "Add better help information to quic_client and qu..."

> Add better help information to quic_client and quic_server.
> Also, modify the quic_client to print out the response contents.
> 
> Merge internal change: 53403247
> 
> Review URL: https://codereview.chromium.org/25043005

TBR=rch@chromium.org

Review URL: https://codereview.chromium.org/26382002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@227373 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 227373