Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/des/COPYRIGHT

-Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
-All rights reserved.
-
-This package is an DES implementation written by Eric Young (eay@cryptsoft.com).
-The implementation was written so as to conform with MIT's libdes.
-
-This library is free for commercial and non-commercial use as long as
-the following conditions are aheared to.  The following conditions
-apply to all code found in this distribution.
-
-Copyright remains Eric Young's, and as such any Copyright notices in
-the code are not to be removed.
-If this package is used in a product, Eric Young should be given attribution
-as the author of that the SSL library.  This can be in the form of a textual
-message at program startup or in documentation (online or textual) provided
-with the package.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-1. Redistributions of source code must retain the copyright
-   notice, this list of conditions and the following disclaimer.
-2. Redistributions in binary form must reproduce the above copyright
-   notice, this list of conditions and the following disclaimer in the
-   documentation and/or other materials provided with the distribution.
-3. All advertising materials mentioning features or use of this software
-   must display the following acknowledgement:
-   This product includes software developed by Eric Young (eay@cryptsoft.com)
-
-THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
-FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGE.
-
-The license and distribution terms for any publically available version or
-derivative of this code cannot be changed.  i.e. this code cannot simply be
-copied and put under another distrubution license
-[including the GNU Public License.]
-
-The reason behind this being stated in this direct manner is past
-experience in code simply being copied and the attribution removed
-from it and then being distributed as part of other packages. This
-implementation was a non-trivial and unpaid effort.