delete set-stack func

Author: thejustcube

src/main.rs

@@ -1079,12 +1079,6 @@ impl Executor {
  self.stack.push(Type::List(self.stack.clone()));
  }
 
- // Set Stack by List
- "set-stack" => {
- let stack = self.pop_stack().get_list();
- self.stack = stack;
- }
-
  // Define variable at memory
  "var" => {
  let name = self.pop_stack().get_string();