Remove "do" usage (removed from the language).
Remove "do" usage (removed from the language).

Shraddha512/rust-http,Shraddha512/rust-http,chris-morgan/rust-http,Shraddha512/rust-http,servo/rust-http,chris-morgan/rust-http,servo/rust-http,servo/rust-http,Shraddha512/rust-http,Shraddha512/rust-http,chris-morgan/rust-http,servo/rust-http,chris-morgan/rust-http