f cleanup a bit

Author: TheBlueMatt

lightning/src/routing/router.rs

@@ -1675,14 +1675,13 @@ where L::Target: Logger {
 		if paths_left == 1 {
 			return true
 		}
-		let mut keep = true;
 		let path_value_msat = path.get_value_msat();
 		if path_value_msat <= overpaid_value_msat {
-			keep = false;
 			overpaid_value_msat -= path_value_msat;
 			paths_left -= 1;
+			return false;
 		}
-		keep
+		true
 	});
 	debug_assert!(selected_route.len() > 0);