Removed constraints part from configuring checks section from Readme

[JoaoFula]

No description provided.

[openshift-ci]

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[tremes]

/lgtm

[JoaoFula]

/retest

[tremes]

/override ci/prow/deployment-validation-operator-e2e-tests

[openshift-ci]

@tremes: Overrode contexts on behalf of tremes: ci/prow/deployment-validation-operator-e2e-tests

In response to this:

/override ci/prow/deployment-validation-operator-e2e-tests

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