chore: Output of gofumpt and remove deprecated reference

[ciarams87]

Proposed changes

Describe the use case and detail of the change. If this PR addresses an issue on GitHub, make sure to include a link to that issue here in this description (not in the title of the PR).

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[codecov-commenter]

Codecov Report

Merging #3464 (43dcb32) into main (acc233d) will decrease coverage by 0.03%.
The diff coverage is 100.00%.

❗ Current head 43dcb32 differs from pull request most recent head a3bad78. Consider uploading reports for the commit a3bad78 to get more accurate results

@@            Coverage Diff             @@
##             main    #3464      +/-   ##
==========================================
- Coverage   51.98%   51.95%   -0.03%     
==========================================
  Files          60       60              
  Lines       16806    16806              
==========================================
- Hits         8736     8732       -4     
- Misses       7775     7777       +2     
- Partials      295      297       +2     

Impacted Files	Coverage Δ
pkg/apis/configuration/validation/policy.go	91.16% <ø> (ø)
internal/k8s/validation.go	93.81% <100.00%> (ø)
...is/configuration/validation/globalconfiguration.go	88.33% <100.00%> (ø)
...g/apis/configuration/validation/transportserver.go	96.62% <100.00%> (ø)
pkg/apis/configuration/validation/virtualserver.go	94.38% <100.00%> (ø)
internal/k8s/configuration.go	95.43% <0.00%> (-0.37%)	⬇️

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