message: fix(tltc): update block explorer link for tltc
  Ticket:
diff: @@ -385,7 +385,7 @@ class LitecoinTestnet extends BitcoinLikeTestnet {
  pubKeyHash = 0x6f;
  scriptHash = 0x3a;
  family = CoinFamily.LTC;
  - explorerUrl = 'http://explorer.litecointools.com/tx/';
  + explorerUrl = 'https://blockexplorer.one/litecoin/testnet/tx/';
  }
  class Ofc extends Mainnet implements OfcNetwork {
  