some much-needed code cleanup

src/main.rs

@@ -14,8 +14,11 @@
   If not, see <https://www.gnu.org/licenses/>.
 */
 
-use age::{self, secrecy::ExposeSecret, Identity, Recipient};
+use age::{self, secrecy::ExposeSecret};
-use chrono::{prelude::{DateTime, Local}, SecondsFormat};
+use chrono::{
+    prelude::{DateTime, Local},
+    SecondsFormat,
+};
 use glob_match::glob_match;
 use rayon::prelude::*;
 use std::{env, process};