Revert "New verily top level file of DES algorithm"

This reverts commit 3ff9e3e269.

des/rtl/verilog/des.v

@@ -1,36 +0,0 @@
-// ======================================================================
-// DES encryption/decryption
-// algorithm according to FIPS 46-3 specification
-// Copyright (C) 2012 Torsten Meissner
-//-----------------------------------------------------------------------
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation; either version 2 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-// ======================================================================
-
-
-
-
-module des (
-  input             reset_i,  // async reset
-  input             clk_i,    // clock
-  input             mode_i,   // des-modus: 0 = encrypt, 1 = decrypt
-  input      [0:63] key_i,    // key input
-  input      [0:63] data_i,   // data input
-  input             valid_i,  // input key/data valid flag
-  output reg [0:63] data_o,   // data output
-  output reg        valid_o   // output data valid flag
-  );
-
-
-endmodule