HH-67237 remove deprecated write_error behaviour

[SuminAndrew]

No description provided.

[codecov-io]

Codecov Report

Merging #312 into master will increase coverage by 0.02%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #312      +/-   ##
==========================================
+ Coverage   90.41%   90.43%   +0.02%     
==========================================
  Files          29       29              
  Lines        2263     2259       -4     
  Branches      327      325       -2     
==========================================
- Hits         2046     2043       -3     
+ Misses        139      138       -1     
  Partials       78       78

Impacted Files	Coverage Δ
frontik/handler.py	93.54% <100%> (+0.23%)	✅

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