patch 8.2.0354: Python 3.9 does not define _Py_DEC_REFTOTAL

Problem:    Python 3.9 does not define _Py_DEC_REFTOTAL. (Zdenek Dohnal)
Solution:   Remove it, it was only for debugging.
diff --git a/src/version.c b/src/version.c
index 64e8d51..1cbe9e2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    354,
+/**/
     353,
 /**/
     352,