patch 8.2.5133: MacOS: build fails

Problem:    MacOS: build fails.
Solution:   Remove "#if 0" from timer_delete().
diff --git a/src/version.c b/src/version.c
index c045d17..f27217e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    5133,
+/**/
     5132,
 /**/
     5131,