[PATCH olang v1 6/6] ast: remove dead code from var_assign ast node

[Carlos Maniero <carlos@maniero.me>]

Previously, the var_assign was a ast_node but it was replaced to be an
binop. The previous struct was not removed tho.

Signed-off-by: Carlos Maniero <carlos@maniero.me>
---
 src/ast.h | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/src/ast.h b/src/ast.h
index 8cf072a..4ba0848 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -182,13 +182,6 @@ typedef struct ast_unary_op
     ast_node_t *operand;
 } ast_unary_op_t;
 
-typedef struct ast_var_assign_stmt
-{
-    AST_NODE_HEAD;
-    ast_node_t *ref;
-    ast_node_t *value;
-} ast_var_assign_stmt_t;
-
 typedef struct ast_return_stmt
 {
     AST_NODE_HEAD;
@@ -222,7 +215,6 @@ typedef union ast_node
     ast_literal_t as_literal;
     ast_ref_t as_ref;
     ast_block_t as_block;
-    ast_var_assign_stmt_t as_var_assign_stmt;
     ast_return_stmt_t as_return_stmt;
     ast_if_stmt_t as_if_stmt;
     ast_while_stmt_t as_while_stmt;
-- 
2.46.1