apiserver: remove terminates kube-apiserver gracefully test

[rphillips]

This proposes removing the kubelet terminates kube-apiserver gracefully test. watch-termination does not use a flock to protect concurrent access to the log and lockfile. We changed the static pod UIDs to include an updated UID when they change, so the kubelet starts deleting UID1, while UID2 is starting.

Additionally, there is a case where apiserver is exiting with a 1 exit code. The test case looks at the entire event history looking for a NonGracefulTermination. This is problematic when there is a case where the exit code of 1 is triggered.

watch-termination logs: https://bugzilla.redhat.com/show_bug.cgi?id=1882750#c31

Either the test, exit code strategy, or watch-termination application need to be updated to account for these scenarios.

cc @sttts @deads2k

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[openshift-merge-robot]

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

Test name	Commit	Details	Rerun command
ci/prow/verify	141781b	link	/test verify
ci/prow/e2e-agnostic-cmd	141781b	link	/test e2e-agnostic-cmd
ci/prow/e2e-aws-serial	141781b	link	/test e2e-aws-serial

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[sttts]

/hold

[rphillips]

fixed here kubernetes/kubernetes#98424