calico: avoid POD restart during initial deploy

[hafe]

calico PODs are first started and then in a handler killed and
restarted for no reason, nothing has changed.

By using the existing variable 'calico_cni_config' (only defined when
calico has already started) the restart can be skipped.

What type of PR is this?

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/kind api-change
/kind bug

/kind cleanup

/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

[k8s-ci-robot]

Hi @hafe. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[oomichi]

/ok-to-test
/lgtm

[floryut]

/approve

[floryut]

/cc

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: floryut, hafe

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