all: Remove 'name' member from mp_obj_module_t struct.

One can instead lookup __name__ in the modules dict to get the value.

py/modmicropython.c

@@ -145,6 +145,5 @@ STATIC MP_DEFINE_CONST_DICT(mp_module_micropython_globals, mp_module_micropython
 
 const mp_obj_module_t mp_module_micropython = {
     .base = { &mp_type_module },
-    .name = MP_QSTR_micropython,
     .globals = (mp_obj_dict_t*)&mp_module_micropython_globals,
 };