expr: Get rid of the extra list node

We can now just use for_arena() to iterate over the allocated bfs_exprs.

1 files changed, 0 insertions, 2 deletions

diff --git a/src/expr.h b/src/expr.h
index 871b120..cb561c8 100644
--- a/src/expr.h
+++ b/src/expr.h
@@ -108,8 +108,6 @@ struct bfs_exprs {
 struct bfs_expr {
 	/** This expression's next sibling, if any. */
 	struct bfs_expr *next;
-	/** The next allocated expression. */
-	struct { struct bfs_expr *next; } freelist;
 
 	/** The function that evaluates this expression. */
 	bfs_eval_fn *eval_fn;