dropped MESHNET build option

Dropping MESHNET build option due to lack of usage. That change won't
affect on usage with currently supported Yggdrasil network.

Signed-off-by: R4SAS <r4sas@i2pmail.org>

daemon/Daemon.cpp

@@ -151,11 +151,7 @@ namespace util
 
 		bool ipv6; i2p::config::GetOption("ipv6", ipv6);
 		bool ipv4; i2p::config::GetOption("ipv4", ipv4);
-#ifdef MESHNET
-		// manual override for meshnet
-		ipv4 = false;
-		ipv6 = true;
-#endif
+
 		// ifname -> address
 		std::string ifname; i2p::config::GetOption("ifname", ifname);
 		if (ipv4 && i2p::config::IsDefault ("address4"))