Remove setValueFromString from ColumnChunk

[ray6080]

Casting now is done inside reader. This interface should no longer be used.

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (4aa1d07) 89.65% compared to head (9d2e725) 89.92%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2169      +/-   ##
==========================================
+ Coverage   89.65%   89.92%   +0.26%     
==========================================
  Files         989      989              
  Lines       35740    35624     -116     
==========================================
- Hits        32042    32034       -8     
+ Misses       3698     3590     -108     

Files	Coverage Δ
src/include/storage/store/column_chunk.h	96.07% <ø> (+5.33%)	⬆️
src/include/storage/store/string_column_chunk.h	100.00% <100.00%> (ø)
src/include/storage/store/var_list_column_chunk.h	87.50% <ø> (ø)
src/storage/store/column_chunk.cpp	81.09% <ø> (+1.63%)	⬆️
src/storage/store/struct_column_chunk.cpp	82.14% <ø> (+59.59%)	⬆️
src/storage/store/var_list_column_chunk.cpp	86.53% <ø> (+6.18%)	⬆️
src/storage/store/string_column_chunk.cpp	67.56% <0.00%> (+6.59%)	⬆️

... and 2 files with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.