Revert "prowgen: generate stricter branch: stanzas for presubmits"

[droslean]

Reverts #2136

This change generates jobs with multiple branches which broke the rehearse tool.

    branches:
    - ^master$
    - ^master-

/hold

Shall we revert or patch the rehearse tool to work with multiple branches?

[droslean]

/cc @openshift/openshift-team-developer-productivity-test-platform

[droslean]

/hold
Maybe #2151 ?

[openshift-ci]

@droslean: The following test failed, say /retest to rerun all failed tests:

Test name	Commit	Details	Rerun command
ci/prow/breaking-changes	6e5ba7d	link	/test breaking-changes

Full PR test history. Your PR dashboard.

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[droslean]

/close

[bbguimaraes]

/lgtm

[openshift-ci]

@droslean: Closed this PR.

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/close

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[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bbguimaraes, droslean

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[droslean]

/open