🐛 Restore GOFLAGS to default (empty) on all Openshift related runs

[cardil]

Changes

• Restore GOFLAGS to default (empty) on all Openshift related runs

Context

• Follows up on [release-1.15] 🐛 Remove -mod=vendor from GOFLAGS #546
• Fixes errors like: https://prow.ci.openshift.org/view/gs/test-platform-results/pr-logs/pull/openshift_release/58595/rehearse-58595-pull-ci-openshift-knative-kn-plugin-event-release-1.15-417-unit/1854805151718576128

/kind bug

[cardil]

/cc @mgencur
/cc @dsimansk

[cardil]

/cherrypick main

[openshift-cherrypick-robot]

@cardil: once the present PR merges, I will cherry-pick it on top of main in a new PR and assign it to you.

In response to this:

/cherrypick main

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[cardil]

/cherrypick release-1.16

[openshift-cherrypick-robot]

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

In response to this:

/cherrypick release-1.16

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[dsimansk]

/approve
/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cardil, dsimansk

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[cardil]

/override "Red Hat Konflux / kn-plugin-event-test-wathola-forwarder-115-on-pull-request"

[openshift-ci]

@cardil: Overrode contexts on behalf of cardil: Red Hat Konflux / kn-plugin-event-test-wathola-forwarder-115-on-pull-request

In response to this:

/override "Red Hat Konflux / kn-plugin-event-test-wathola-forwarder-115-on-pull-request"

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.

[openshift-cherrypick-robot]

@cardil: new pull request created: #569

In response to this:

/cherrypick main

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.

[openshift-cherrypick-robot]

@cardil: new pull request created: #570

In response to this:

/cherrypick release-1.16

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.