Refactor call_with_pp functions to not take a payload.
Refactor call_with_pp functions to not take a payload.

This is needless noise; the closure we take is FnOnce, so move || {} is
fine to pass other parameters necessary.

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