Remove unneeded errno debug print

src/mdns.zig

@@ -31,7 +31,6 @@ fn get_mdns_socket(ip_info: util.IPInfo) !socket {
     }
     const timeout: std.c.timeval = .{ .tv_sec = 1, .tv_usec = 0 };
     if (std.c.setsockopt(sock, std.c.SOL.SOCKET, std.c.SO.RCVTIMEO, &timeout, @intCast(@sizeOf(std.c.timeval))) == -1) {
-        std.debug.print("{d}\n", .{std.c._errno().*});
         return MDNSError.SocketSetTimeoutFail;
     }
     return sock;