refactor!: remove unnecessary Row struct

[github-actions[bot]]

Bencher Report

Branch	remove-row
Testbed	localhost

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Benchmark	Latency	nanoseconds (ns)
postgres-embedded	📈 view plot ⚠️ NO THRESHOLD	801,450,000.00
postgresql-embedded	📈 view plot ⚠️ NO THRESHOLD	827,160,000.00
rusqlite	📈 view plot ⚠️ NO THRESHOLD	4,674,100.00
sqlite	📈 view plot ⚠️ NO THRESHOLD	4,994,200.00

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[codecov[bot]]

Codecov Report

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

Project coverage is 93.30%. Comparing base (933e762) to head (dfc673a). Report is 6 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #202 +/- ## ========================================== - Coverage 93.36% 93.30% -0.07% ========================================== Files 94 93 -1 Lines 11965 11856 -109 ========================================== - Hits 11171 11062 -109 Misses 794 794 ```

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