Remove a mention to `copy_from_slice` from `clone_from_slice` doc
Remove a mention to `copy_from_slice` from `clone_from_slice` doc

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