Remove unused client in reconciler

[MathieuCesbron]

Description

Remove unused clients, we only use k8sclient and dk8sClient.

Type of change

• Bug fix (non-breaking change which fixes an issue)

Checklist

• Tests have been added/modified and all tests pass.
• Functionality/bugs have been confirmed to be unchanged or fixed.
• I have performed a self-review of my own code.
• Documentation has been updated or added where necessary.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (2e1ba97) 32.79% compared to head (509b619) 32.70%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #756      +/-   ##
==========================================
- Coverage   32.79%   32.70%   -0.10%     
==========================================
  Files          19       19              
  Lines        3232     3232              
==========================================
- Hits         1060     1057       -3     
- Misses       2113     2115       +2     
- Partials       59       60       +1     

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