javascript: Make port-specific modules use MP_REGISTER_MODULE.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

ports/javascript/modutime.c

@@ -54,3 +54,5 @@ const mp_obj_module_t mp_module_utime = {
     .base = { &mp_type_module },
     .globals = (mp_obj_dict_t *)&time_module_globals,
 };
+
+MP_REGISTER_MODULE(MP_QSTR_utime, mp_module_utime, 1);

ports/javascript/mpconfigport.h

@@ -126,11 +126,6 @@
 
 #define MP_SSIZE_MAX (0x7fffffff)
 
-extern const struct _mp_obj_module_t mp_module_utime;
-
-#define MICROPY_PORT_BUILTIN_MODULES \
-    { MP_ROM_QSTR(MP_QSTR_utime), MP_ROM_PTR(&mp_module_utime) }, \
-
 // #define MICROPY_EVENT_POLL_HOOK {ets_event_poll();}
 #if MICROPY_PY_THREAD
 #define MICROPY_EVENT_POLL_HOOK \