Fixed more clippy complaining

src/simulator/loader.rs

@@ -15,7 +15,7 @@ use std::io::BufRead;
 	/// 
 	/// - **path** the path of the file to load
 	/// - **size** the number of bytes to write (1, 2, 4 or 8)
-pub fn load(path : &str, instruction_size: i32) -> Machine {
+pub fn _load(path : &str, instruction_size: i32) -> Machine {
     let file = fs::File::open(path).expect("Wrong filename");
     let reader = io::BufReader::new(file);
     let mut machine = Machine::_init_machine();