3882 remove xmod & friends

*** 56,67 ****
   * key          Initialized ARCFOUR key schedule, based on keyval
   */
  void
  arcfour_key_init(ARCFour_key *key, uchar_t *keyval, int keyvallen)
  {
- /* EXPORT DELETE START */
- 
          uchar_t ext_keyval[256];
          uchar_t tmp;
          int i, j;
  
          /* Normalize key length to 256 */
--- 56,65 ----
*** 81,92 ****
                  key->arr[i] = key->arr[j];
                  key->arr[j] = tmp;
          }
          key->i = 0;
          key->j = 0;
- 
- /* EXPORT DELETE END */
  }
  #endif  /* !__amd64 */
  
  
  /*
--- 79,88 ----
*** 104,114 ****
   * Note: in and out can point to the same location
   */
  void
  arcfour_crypt(ARCFour_key *key, uchar_t *in, uchar_t *out, size_t len)
  {
- /* EXPORT DELETE START */
  #ifdef  __amd64
          if (key->flag == ARCFOUR_ON_AMD64) {
                  arcfour_crypt_asm(key, in, out, len);
          } else { /* Intel EM64T */
  #endif  /* amd64 */
--- 100,109 ----
*** 225,236 ****
          }
  #endif  /* sun4u */
  #ifdef  __amd64
          }
  #endif  /* amd64 */
- 
- /* EXPORT DELETE END */
  }
  
  
  #ifdef  __amd64
  /*
--- 220,229 ----