Resolves clippy errors, please review!!! (#60)

src/steps/kakoune.rs

@@ -14,7 +14,7 @@ pub fn upgrade_kak_plug(ctx: &ExecutionContext) -> Result<()> {
     print_separator("Kakoune");
 
     let mut command = ctx.run_type().execute(&kak);
-    command.args(&["-ui", "dummy", "-e", UPGRADE_KAK]);
+    command.args(["-ui", "dummy", "-e", UPGRADE_KAK]);
 
     let output = command.output()?;