Remove northeurope from random region selection to be used for perf tests

[Jont828]

What type of PR is this?
/kind feature

What this PR does / why we need it:

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer:

TODOs:

• squashed commits
• includes documentation
• adds unit tests
• cherry-pick candidate

Release note:

NONE

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.43%. Comparing base (71a3924) to head (d75a99a).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5358   +/-   ##
=======================================
  Coverage   52.43%   52.43%           
=======================================
  Files         272      272           
  Lines       29401    29401           
=======================================
  Hits        15417    15417           
  Misses      13178    13178           
  Partials      806      806           

☔ View full report in Codecov by Sentry.
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[jackfrancis]

/cherry-pick release-1.16
/cherry-pick release-1.17

[k8s-infra-cherrypick-robot]

@jackfrancis: once the present PR merges, I will cherry-pick it on top of release-1.16, release-1.17 in new PRs and assign them to you.

In response to this:

/cherry-pick release-1.16
/cherry-pick release-1.17

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[jackfrancis]

/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 06f1d32c547e08b85246c4e60b5f016fc6a8bedd

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jackfrancis

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Needs approval from an approver in each of these files:

• OWNERS [jackfrancis]

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[k8s-infra-cherrypick-robot]

@jackfrancis: new pull request created: #5359

In response to this:

/cherry-pick release-1.16
/cherry-pick release-1.17

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[k8s-infra-cherrypick-robot]

@jackfrancis: new pull request created: #5360

In response to this:

/cherry-pick release-1.16
/cherry-pick release-1.17

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.