unix/modsocket: Remove unnecessary asserts.

These checks are already made, and errors reported, by the uPy runtime.

unix/modsocket.c

@@ -391,7 +391,6 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_socket_htons_obj, mod_socket_htons);
 
 
 STATIC mp_obj_t mod_socket_gethostbyname(mp_obj_t arg) {
-    assert(MP_OBJ_IS_TYPE(arg, &mp_type_str));
     const char *s = mp_obj_str_get_str(arg);
     struct hostent *h = gethostbyname(s);
     if (h == NULL) {
@@ -441,9 +440,7 @@ STATIC mp_obj_t mod_socket_inet_ntop(mp_obj_t family_in, mp_obj_t binaddr_in) {
 STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_socket_inet_ntop_obj, mod_socket_inet_ntop);
 
 STATIC mp_obj_t mod_socket_getaddrinfo(size_t n_args, const mp_obj_t *args) {
-    // TODO: Implement all args
-    assert(n_args >= 2 && n_args <= 4);
-    assert(MP_OBJ_IS_STR(args[0]));
+    // TODO: Implement 5th and 6th args
 
     const char *host = mp_obj_str_get_str(args[0]);
     const char *serv = NULL;
@@ -510,7 +507,7 @@ STATIC mp_obj_t mod_socket_getaddrinfo(size_t n_args, const mp_obj_t *args) {
     freeaddrinfo(addr_list);
     return list;
 }
-STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_socket_getaddrinfo_obj, 2, 6, mod_socket_getaddrinfo);
+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_socket_getaddrinfo_obj, 2, 4, mod_socket_getaddrinfo);
 
 STATIC mp_obj_t mod_socket_sockaddr(mp_obj_t sockaddr_in) {
     mp_buffer_info_t bufinfo;