rpc: update GetNetworksInfo() to not return unsupported networks

Author: jonatack

src/rpc/net.cpp

@@ -486,11 +486,9 @@ static RPCHelpMan getnettotals()
 static UniValue GetNetworksInfo()
 {
     UniValue networks(UniValue::VARR);
-    for(int n=0; n<NET_MAX; ++n)
-    {
+    for (int n = 0; n < NET_MAX; ++n) {
         enum Network network = static_cast<enum Network>(n);
-        if(network == NET_UNROUTABLE || network == NET_INTERNAL)
-            continue;
+        if (network == NET_UNROUTABLE || network == NET_I2P || network == NET_CJDNS || network == NET_INTERNAL) continue;
         proxyType proxy;
         UniValue obj(UniValue::VOBJ);
         GetProxy(network, proxy);