test/e2e/framework: remove unused function

[simonpasquier]

• I added CHANGELOG entry for this change.
• No user facing changes, so no entry in CHANGELOG was needed.

[simonpasquier]

/skip
/retest-required

[jan--f]

/label docs-approved
/label px-approved
/label qe-approved
Adding labels for internal test cleanup.
/lgtm

[danielmellado]

Actually golangci-lint would detect this but we're skipping it for the test folder, should we enable it for it as well?

[danielmellado]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: danielmellado, jan--f, simonpasquier

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[openshift-ci-robot]

/retest-required

Remaining retests: 0 against base HEAD e0e6a25 and 2 for PR HEAD 0a2a58d in total

[openshift-ci]

@simonpasquier: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-aws-ovn-single-node	0a2a58d	link	false	/test e2e-aws-ovn-single-node

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