refactor(ctrlc): Remove reduntant lazy_static (#109)

src/ctrlc/interrupted.rs

@@ -1,10 +1,7 @@
-use lazy_static::lazy_static;
 use std::sync::atomic::{AtomicBool, Ordering};
 
-lazy_static! {
-    /// A global variable telling whether the application has been interrupted.
-    static ref INTERRUPTED: AtomicBool = AtomicBool::new(false);
-}
+/// A global variable telling whether the application has been interrupted.
+static INTERRUPTED: AtomicBool = AtomicBool::new(false);
 
 /// Tells whether the program has been interrupted
 pub fn interrupted() -> bool {