Rollup merge of #87205 - matthiaskrgr:clippy_cln, r=oli-obk
Rollup merge of #87205 - matthiaskrgr:clippy_cln, r=oli-obk

rustc_middle: remove redundant clone

found while looking through some clippy lint warnings

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