renesas-ra,stm32: Remove duplicate machine module from constants list.

In the u-module renaming done in 30628d1b,
these duplicate lines were accidentally left.
Signed-off-by: NDamien George <damien@micropython.org>

ports/renesas-ra/mpconfigport.h

@@ -145,7 +145,6 @@
 
 #if MICROPY_PY_MACHINE
 #define MACHINE_BUILTIN_MODULE_CONSTANTS \
-    { MP_ROM_QSTR(MP_QSTR_machine), MP_ROM_PTR(&mp_module_machine) }, \
     { MP_ROM_QSTR(MP_QSTR_machine), MP_ROM_PTR(&mp_module_machine) },
 #else
 #define MACHINE_BUILTIN_MODULE_CONSTANTS

ports/stm32/mpconfigport.h

@@ -166,7 +166,6 @@ extern const struct _mp_obj_module_t stm_module;
 
 #if MICROPY_PY_MACHINE
 #define MACHINE_BUILTIN_MODULE_CONSTANTS \
-    { MP_ROM_QSTR(MP_QSTR_machine), MP_ROM_PTR(&mp_module_machine) }, \
     { MP_ROM_QSTR(MP_QSTR_machine), MP_ROM_PTR(&mp_module_machine) },
 #else
 #define MACHINE_BUILTIN_MODULE_CONSTANTS