Rollup merge of #59831 - ehuss:ordering-docs, r=kennytm
Rollup merge of #59831 - ehuss:ordering-docs, r=kennytm

Remove strange formatting in `Ordering` docs.

I can't really fathom what the intent of the brackets is. The [original PR](#12956) doesn't give any hints. I think it seems fine without them.

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