3882 remove xmod & friends

*** 52,62 ****
          krb5_keyblock *keyblock,
          const krb5_data *data,
          const krb5_data *salt)
  {
      krb5_error_code retval = KRB5_PROG_ETYPE_NOSUPP;
- /* EXPORT DELETE START */
      register char *str, *copystr;
      register krb5_octet *key;
      register unsigned temp;
      register long i;
      register int j;
--- 52,61 ----
*** 178,185 ****
       if (keyblock->hKey != CK_INVALID_HANDLE) {
          (void)C_DestroyObject(krb_ctx_hSession(context), keyblock->hKey);
          keyblock->hKey = CK_INVALID_HANDLE;
       }
  
- /* EXPORT DELETE END */
      return retval;
  }
--- 177,183 ----