Update for_helpers.py

Author: BobTheBuidler

mypyc/irbuild/for_helpers.py

@@ -1201,7 +1201,6 @@ def get_expr_length(expr: Expression) -> int | None:
             other = sum(not isinstance(i, StarExpr) for i in expr.items)
             return other + sum(stars)  # type: ignore [arg-type]
     elif isinstance(expr, StarExpr):
-        # star expression needs some extra logic but that can come later, this is good for now
         return get_expr_length(expr.expr)
     elif (
         isinstance(expr, RefExpr)