Revert "openshift-sdn: log ovs and sdn to the system journal"

[smarterclayton]

Reverts #161

[openshift-ci-robot]

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[openshift-ci-robot]

@smarterclayton: The following test failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
ci/prow/e2e-aws-upgrade	b723106	link	/test e2e-aws-upgrade

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