Fix some clippy issues

emgauwa-lib/src/utils.rs

@@ -104,14 +104,11 @@ pub fn get_weekday() -> Weekday {
 pub fn printable_relay_states(relay_states: &RelayStates) -> String {
 	let mut relay_debug = String::new();
 	relay_states.iter().for_each(|state| {
-		relay_debug.push_str(&format!(
-			"{}",
-			match state {
-				Some(true) => "+",
-				Some(false) => "-",
-				None => "?",
-			}
-		));
+		relay_debug.push_str(match state {
+			Some(true) => "+",
+			Some(false) => "-",
+			None => "?",
+		});
 	});
 	relay_debug
 }