refactor: Remove more @scalar-opt

[coastalwhite]

This is a continuation of #19660.

[codecov]

Codecov Report

Attention: Patch coverage is 61.61616% with 38 lines in your changes missing coverage. Please review.

Project coverage is 79.72%. Comparing base (4b03406) to head (fce576f).
Report is 20 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/polars-core/src/frame/column/mod.rs	55.81%	38 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #19666      +/-   ##
==========================================
- Coverage   79.73%   79.72%   -0.02%     
==========================================
  Files        1541     1541              
  Lines      212227   212236       +9     
  Branches     2449     2449              
==========================================
- Hits       169226   169198      -28     
- Misses      42446    42483      +37     
  Partials      555      555              

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