Remove `utctime` ref #2

[codecov-commenter]

Codecov Report

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

Project coverage is 67.82%. Comparing base (4e5422f) to head (1b82f15). Report is 2 commits behind head on v0.0.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## v0.0 #15 +/- ## ========================================== - Coverage 68.02% 67.82% -0.20% ========================================== Files 23 22 -1 Lines 1770 1756 -14 ========================================== - Hits 1204 1191 -13 + Misses 566 565 -1 ```

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