message: net: simplify CNetAddr::IsRoutable()
  Reduce the condition `IsRFC4193() && !IsTor()` to `IsRFC4193()`. We know
  that if `IsRFC4193()` is `true` then, for sure, the address is not Tor,
  so `!IsTor()` is also `true`.
diff: @@ -489,7 +489,7 @@ bool CNetAddr::IsValid() const
  */
  bool CNetAddr::IsRoutable() const
  {
  - return IsValid() && !(IsRFC1918() || IsRFC2544() || IsRFC3927() || IsRFC4862() || IsRFC6598() || IsRFC5737() || (IsRFC4193() && !IsTor()) || IsRFC4843() || IsRFC7343() || IsLocal() || IsInternal());
  + return IsValid() && !(IsRFC1918() || IsRFC2544() || IsRFC3927() || IsRFC4862() || IsRFC6598() || IsRFC5737() || IsRFC4193() || IsRFC4843() || IsRFC7343() || IsLocal() || IsInternal());
  }
  /**
  