refactor: remove unnecessary function

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (744976d) 87.04% compared to head (94760ad) 87.10%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #204 +/- ## ========================================== + Coverage 87.04% 87.10% +0.06% ========================================== Files 57 57 Lines 2848 2847 -1 ========================================== + Hits 2479 2480 +1 + Misses 369 367 -2 ```

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Micro-Benchmark Results

Linux

group                          main                                   pr
-----                          ----                                   --
tarball/download_dependency    1.00      6.7±0.31ms   642.8 KB/sec    1.00      6.7±0.25ms   645.9 KB/sec

[github-actions[bot]]

Integrated-Benchmark Report (Linux)

Scenario: Frozen Lockfile

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
pacquet@HEAD	132.5 ± 10.7	116.8	158.2	1.04 ± 0.12
pacquet@main	127.7 ± 9.8	117.6	151.4	1.00

BENCHMARK_REPORT.json

```json { "results": [ { "command": "pacquet@HEAD", "mean": 0.13248442202, "stddev": 0.010688068700622803, "median": 0.12849678742, "user": 0.06387906, "system": 0.20364808666666667, "min": 0.11680241442000001, "max": 0.15821955042, "times": [ 0.13744347442, 0.15821955042, 0.12009504842000002, 0.13760535642, 0.12767386242, 0.12386538942000001, 0.14081148342, 0.14108895342, 0.11680241442000001, 0.12681096742, 0.12574342742, 0.12780315442, 0.14381070142, 0.13099575942, 0.12849678742 ], "exit_codes": [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] }, { "command": "pacquet@main", "mean": 0.1277318484866667, "stddev": 0.00977403692115736, "median": 0.12614622742, "user": 0.06391032666666667, "system": 0.20348842000000003, "min": 0.11762414642, "max": 0.15137419242, "times": [ 0.14067057742, 0.12674894742, 0.12089798442000001, 0.11921130642000001, 0.13228318842, 0.15137419242, 0.12387414042000001, 0.12124459442000002, 0.11798518342000001, 0.11762414642, 0.14048973042, 0.12748431142, 0.12076532742000001, 0.12614622742, 0.12917786942 ], "exit_codes": [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] } ] } ```