Rollup merge of #65965 - GuillaumeGomez:clean-up-librustc_typeck-error-codes, r=Mark-Simulacrum
Rollup merge of #65965 - GuillaumeGomez:clean-up-librustc_typeck-error-codes, r=Mark-Simulacrum

Clean up librustc_typeck error_codes file

r? @Dylan-DPC

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