Rollup merge of #90302 - GuillaumeGomez:rm-unneeded-into_iter, r=jyn514
Rollup merge of #90302 - GuillaumeGomez:rm-unneeded-into_iter, r=jyn514

Remove unneeded into_iter

As ``@camelid`` mentionned [here](https://github.com/rust-lang/rust/pull/89430#discussion_r735889324), the `into_iter` was unneeded.

r? ``@camelid``

graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust