Remove AlterTable

[KyGost]

Resolves: #126

[codecov-commenter]

Codecov Report

Merging #129 (b1525e0) into main (93e5d71) will decrease coverage by 0.15%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main     #129      +/-   ##
==========================================
- Coverage   81.59%   81.43%   -0.16%     
==========================================
  Files         131      132       +1     
  Lines        4167     4175       +8     
==========================================
  Hits         3400     3400              
- Misses        767      775       +8     

Impacted Files	Coverage Δ
src/data/schema.rs	0.00% <0.00%> (ø)
src/store/store_mut.rs	0.00% <0.00%> (ø)

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