refactor: cleanup unused err check

[aramase]

/kind cleanup

[k8s-ci-robot]

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This pull-request has been approved by: aramase

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 35.80%. Comparing base (bf86dbf) to head (9548c23).
Report is 33 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1546      +/-   ##
==========================================
- Coverage   36.58%   35.80%   -0.79%     
==========================================
  Files          63       63              
  Lines        4532     3754     -778     
==========================================
- Hits         1658     1344     -314     
+ Misses       2730     2267     -463     
+ Partials      144      143       -1     

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[nilekhc]

/lgtm