remove extra `@show`s

[SebastianM-C]

Checklist

• [ ] Appropriate tests were added
• [x] Any code changes were done in a way that does not break public API
• [ ] All documentation related to code changes were updated
• [ ] The new code follows the contributor guidelines, in particular the SciML Style Guide and COLPRAC.
• [ ] Any new documentation only uses public API

Additional context

Hi! I think the latest release left some @shows.

[codecov[bot]]

Codecov Report

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

Comparison is base (4192d89) 1.94% compared to head (07122e9) 8.89%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #678 +/- ## ========================================= + Coverage 1.94% 8.89% +6.95% ========================================= Files 31 31 Lines 2518 2517 -1 ========================================= + Hits 49 224 +175 + Misses 2469 2293 -176 ```

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[Vaibhavdixit02]

Shit that shouldn't have made it through. Thanks for taking care of this!