Remove ntlm apply des patch (#195)

Author: adfoster-r7

app/models/metasploit/credential/ntlm_hash.rb

@@ -1,22 +1,5 @@
 require 'net/ntlm'
 
-# TODO: Revert once available in rubyntlm
-# https://github.com/WinRb/rubyntlm/pull/51
-module Net
-  module NTLM
-    class << self
-      def apply_des(plain, keys)
-        keys.map {|k|
-          dec = OpenSSL::Cipher.new("des-cbc").encrypt
-          dec.padding = 0
-          dec.key = k
-          dec.update(plain) + dec.final
-        }
-      end
-    end
-  end
-end
-
 # A {Metasploit::Credential::PasswordHash password hash} that can be {Metasploit::Credential::ReplayableHash replayed}
 # to authenticate to SMB.  It is composed of two hash hex digests (where the hash bytes are printed as a
 # hexadecimal string where 2 characters represent a byte of the original hash with the high nibble first): (1)