patch 8.2.1882: Vim9: v:disallow_let is no longer needed
Problem: Vim9: v:disallow_let is no longer needed.
Solution: Remove v:disallow_let.
diff --git a/src/vim.h b/src/vim.h
index 5ae8b79..64cf6d4 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -1994,8 +1994,7 @@
#define VV_ECHOSPACE 93
#define VV_ARGV 94
#define VV_COLLATE 95
-#define VV_DISALLOW_LET 96 // TODO: remove again
-#define VV_LEN 97 // number of v: vars
+#define VV_LEN 96 // number of v: vars
// used for v_number in VAR_BOOL and VAR_SPECIAL
#define VVAL_FALSE 0L // VAR_BOOL