Rollup merge of #68279 - GuillaumeGomez:clean-up-e0198, r=Dylan-DPC
Rollup merge of #68279 - GuillaumeGomez:clean-up-e0198, r=Dylan-DPC

Clean up E0198 explanation

r? @Dylan-DPC

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