Remove RowIter

[KyGost]

Resolves: #125

[codecov-commenter]

Codecov Report

Merging #80 (a79bdea) into main (d72f785) will increase coverage by 0.00%.
The diff coverage is 80.95%.

@@           Coverage Diff           @@
##             main      #80   +/-   ##
=======================================
  Coverage   85.58%   85.59%           
=======================================
  Files         108      108           
  Lines        3671     3665    -6     
=======================================
- Hits         3142     3137    -5     
+ Misses        529      528    -1     

Impacted Files	Coverage Δ
src/store/mod.rs	22.22% <0.00%> (ø)
src/executor/query/select/join/execute.rs	94.52% <50.00%> (-2.59%)	⬇️
src/data/index.rs	97.22% <100.00%> (+1.27%)	⬆️
src/executor/alter_row/delete.rs	90.90% <100.00%> (+2.02%)	⬆️
src/executor/alter_row/update.rs	93.54% <100.00%> (+1.24%)	⬆️
src/executor/alter_row/validate_unique.rs	84.72% <100.00%> (-0.21%)	⬇️
src/storages/csv_storage/store.rs	91.66% <100.00%> (-0.65%)	⬇️
src/storages/sled_storage/store.rs	86.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d72f785...a79bdea. Read the comment docs.