Remove timeout test code from iofunc.c

https://github.com/Hamlib/Hamlib/issues/1329

src/iofunc.c

@@ -1338,7 +1338,7 @@ static int read_string_generic(hamlib_port_t *p,
         ssize_t rd_count = 0;
         int result;
         int timeout_save = p->timeout;
-        p->timeout = 2;
+//        p->timeout = 2;
         result = port_wait_for_data(p, direct);
         p->timeout = timeout_save;