style(config): Remove unused imports

src/config.rs

@@ -2,17 +2,14 @@
 
 use crate::files::directory::{index::IndexStrategy, listing::default_listing_renderer};
 use serde_derive::{Deserialize, Serialize};
-use snafu::{ResultExt, Snafu};
+use snafu::Snafu;
 use std::{
   collections::{HashMap, HashSet},
-  env, fs,
   net::SocketAddr,
-  path::{Path, PathBuf},
+  path::PathBuf,
   sync::Arc,
 };
 
-const PKG_NAME: &str = env!("CARGO_PKG_NAME");
-
 #[derive(Snafu, Debug)]
 pub enum Error {
   /// The configuration file could not be found or read.