kubeflow: remove operator test in pr check

[lampajr]

Description

Remove the operator check during the PR build check as not needed in kubeflow

How Has This Been Tested?

Merge criteria:

• The commits and have meaningful messages; the author will squash them after approval or will ask to merge with squash.
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has manually tested the changes and verified that the changes work

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

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Additional details and impacted files

@@           Coverage Diff           @@
##             main      #16   +/-   ##
=======================================
  Coverage        ?   76.19%           
=======================================
  Files           ?       17           
  Lines           ?     2033           
  Branches        ?       74           
=======================================
  Hits            ?     1549           
  Misses          ?      299           
  Partials        ?      185           

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[tarilabs]

we can eventually replace these with some testing of the manifests, but for the moment /lgtm thank you @lampajr

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lampajr, tarilabs

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[tarilabs]

/lgtm

[tarilabs]

/approve
/lgtm