chore: cleanup unused config properties

src/utils/macros.rs

@@ -1,6 +0,0 @@
-#[macro_export]
-macro_rules! required_var {
-	($name: expr) => {
-		std::env::var($name).wrap_err_with(|| format!("Couldn't find {} in environment!", $name))?
-	};
-}

src/utils/mod.rs

@@ -1,8 +1,6 @@
 use color_eyre::eyre::{eyre, Result};
 use rand::seq::SliceRandom;
 
-#[macro_use]
-mod macros;
 mod resolve_message;
 
 pub use resolve_message::resolve as resolve_message;