Removed redundant variables

src/main.rs

@@ -7,11 +7,8 @@ fn main() {
     println!("Enter the IP and cidr for your given network");
     
     let ip_and_cidr: (networking::ip::IpAddr, u8);
-    
+
     loop {
-        let mut ip: String = Default::default();
-        let mut cidr: u8 = Default::default();
-        
         let mut ip_buf = String::new();
         io::stdin().read_line(&mut ip_buf).unwrap_or_default();