Remove incorrect comment

httplib.h

@@ -4084,7 +4084,7 @@ inline void get_remote_ip_and_port(socket_t sock, std::string &ip, int &port) {
       if (getsockopt(sock, SOL_SOCKET, SO_PEERCRED, &ucred, &len) == 0) {
         port = ucred.pid;
       }
-#elif defined(SOL_LOCAL) && defined(SO_PEERPID) // __APPLE__
+#elif defined(SOL_LOCAL) && defined(SO_PEERPID)
       pid_t pid;
       socklen_t len = sizeof(pid);
       if (getsockopt(sock, SOL_LOCAL, SO_PEERPID, &pid, &len) == 0) {