Squash some warnings

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

src/libvm/src/lib.rs

@@ -1,3 +1,5 @@
+#![allow(dead_code)]
+
 pub mod addr;
 pub mod error;
 pub mod flags;

src/main.rs

@@ -1,5 +1,3 @@
-#![allow(dead_code)]
-
 mod common;
 
 extern crate libvm as vm;
@@ -89,6 +87,7 @@ struct Options {
 
 type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
 
+/*
 fn get_reader(path: impl AsRef<Path>) -> Result<Box<dyn Read>> {
     if let Some("-") = path.as_ref().to_str() {
         Ok(Box::new(stdin()))
@@ -96,6 +95,7 @@ fn get_reader(path: impl AsRef<Path>) -> Result<Box<dyn Read>> {
         Ok(Box::new(fs::File::open(path.as_ref())?))
     }
 }
+*/
 
 fn get_writer(path: impl AsRef<Path>) -> Result<Box<dyn Write>> {
     if let Some("-") = path.as_ref().to_str() {