message: refactor: Clean up -Wlogical-op warning
  This commit fixes by removing a check that always returned true. That check was causing a -Wlogical-op warning because it treated a constant int as though it were a boolean.
diff: @@ -453,7 +453,7 @@ bool LegacyScriptPubKeyMan::Upgrade(int prev_version, bilingual_str& error)
  hd_upgrade = true;
  }
  // Upgrade to HD chain split if necessary
  - if (m_storage.CanSupportFeature(FEATURE_HD_SPLIT) && CHDChain::VERSION_HD_CHAIN_SPLIT) {
  + if (m_storage.CanSupportFeature(FEATURE_HD_SPLIT)) {
  WalletLogPrintf("Upgrading wallet to use HD chain split\n");
  m_storage.SetMinVersion(FEATURE_PRE_SPLIT_KEYPOOL);
  split_upgrade = FEATURE_HD_SPLIT > prev_version;
  