test: remove flaky designation for test-cli-node-options
The test failure is not platform-specific and is the result of manual/human error. Some improvements may be possible, but there is nothing fundamentally unsound about the test insofar as when it fails in CI, there is a problem on the host that needs to be addressed and not an inherent issue with the test.
Refs: https://github.com/nodejs/node/issues/25028#issuecomment-479554080 Closes: https://github.com/nodejs/node/issues/25028
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
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