Merge branch 'blender-v3.1-release'

source/blender/python/mathutils/mathutils.c

@@ -76,11 +76,7 @@ Py_hash_t mathutils_array_hash(const float *array, size_t array_len)
   x = 0x345678UL;
   i = 0;
   while (--len >= 0) {
-#if PY_VERSION_HEX >= 0x30a0000 /* Version: 3.10. */
     y = _Py_HashDouble(NULL, (double)(array[i++]));
-#else
-    y = _Py_HashDouble((double)(array[i++]));
-#endif
     if (y == -1) {
       return -1;
     }