Code cleanups

[codecov[bot]]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (b9e1565) 40.77% compared to head (912c61c) 40.60%.

Files	Patch %	Lines
age/src/cli_common.rs	50.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #448 +/- ## ========================================== - Coverage 40.77% 40.60% -0.17% ========================================== Files 35 35 Lines 3198 3194 -4 ========================================== - Hits 1304 1297 -7 - Misses 1894 1897 +3 ```

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