Remove ordered dict from SAMD21

Author: gamblor21

py/circuitpy_mpconfig.h

@@ -195,7 +195,9 @@ typedef long mp_off_t;
 #define MICROPY_PY_BUILTINS_STR_PARTITION     (CIRCUITPY_FULL_BUILD)
 #define MICROPY_PY_BUILTINS_STR_SPLITLINES    (CIRCUITPY_FULL_BUILD)
 #define MICROPY_PY_UERRNO                     (CIRCUITPY_FULL_BUILD)
+#ifndef MICROPY_PY_COLLECTIONS_ORDEREDDICT
 #define MICROPY_PY_COLLECTIONS_ORDEREDDICT    (CIRCUITPY_FULL_BUILD)
+#endif
 // Opposite setting is deliberate.
 #define MICROPY_PY_UERRNO_ERRORCODE           (!CIRCUITPY_FULL_BUILD)
 #ifndef MICROPY_PY_URE