Delete prow/cluster/jobs/IBM/ibm-crossplane directory

[PawelKopel]

Prow tests should run only on ibm-crossplane-operator

What this PR does / why we need it:
Remove prow tests for https://github.com/IBM/ibm-crossplane, prow tests for crossplane should run only in https://github.com/IBM/ibm-crossplane-operator.

Specify your PR reviewers:

/cc @gyliu513 @horis233

Special notes for your reviewer:

Release note:

NONE

[ibm-ci-bot]

Welcome @PawelKopel! It looks like this is your first PR to IBM/test-infra 🎉

[horis233]

@PawelKopel Is the image build for ibm crossplane going to be removed as well?

[arturobrzut]

@horis233
Is the image build for ibm crossplane going to be removed as well?
YES

[horis233]

/lgtm

[ibm-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: horis233, PawelKopel

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• OWNERS [horis233]

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[ibm-ci-bot]

@PawelKopel: Updated the job-config configmap in namespace default using the following files:

• key IBM.ibm-crossplane.master.yaml using file ``

In response to this:

Prow tests should run only on ibm-crossplane-operator

What this PR does / why we need it:
Remove prow tests for https://github.com/IBM/ibm-crossplane, prow tests for crossplane should run only in https://github.com/IBM/ibm-crossplane-operator.

Specify your PR reviewers:

/cc @gyliu513 @horis233

Special notes for your reviewer:

Release note:

NONE

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