RPC/Net: Allow addconnection on non-regtest networks

Author: luke-jr

src/rpc/net.cpp

@@ -370,10 +370,6 @@ static RPCHelpMan addconnection()
         },
         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
 {
-    if (Params().GetChainType() != ChainType::REGTEST) {
-        throw std::runtime_error("addconnection is for regression testing (-regtest mode) only.");
-    }
-
     const std::string address = request.params[0].get_str();
     const std::string conn_type_in{TrimString(request.params[1].get_str())};
     ConnectionType conn_type{};