cleaned up un-needed library imports from

box_controls.

pentest_tool/src/box_controls.rs

@@ -1,14 +1,10 @@
-use core::error;
-use std::os::unix::thread::JoinHandleExt;
-use std::process::{Command, Stdio};
+use std::process::Command;
 use std::{path::PathBuf, process};
 use std::env;
 use std::fs;
-use std::io::{stdin, BufRead, BufReader};
 use std::io::Write;
-use std::thread::{self, JoinHandle, Thread};
+use std::thread::{self, JoinHandle};
 use std::time::Duration;
-use std::str::FromStr;
 use crate::{get_user_input, Project};
 
 pub fn stop_all_boxes(projects: &Vec<Project>){