Remove some unused code

schala-repl/src/repl/mod.rs

@@ -1,5 +1,5 @@
 use std::fmt::Write as FmtWrite;
-use std::io::{Read, Write};
+use std::io::Write;
 use std::fs::File;
 use std::sync::Arc;
 use std::collections::HashSet;
@@ -118,7 +118,7 @@ impl Repl {
             None => break Err(format!("Command {} not found", next_command))
           };
         },
-        CommandTree::Terminal { name, function, .. } => {
+        CommandTree::Terminal { function, .. } => {
           break Ok((function, idx));
         },
       }