feat: replaced go.uber.zap log config with controller runtime logging config, enables more logging options

[cnmcavoy]

Issue

https://github.com/kubernetes-sigs/aws-load-balancer-controller/issues/3744

Description

Removed go.uber.org config, replaced with controller-runtime logging configuration. Used the kubernetes-sigs/cluster-api project as a good example to template changes from.

The previous arg, --log-level is still allowed for compatibility, but does nothing. --v, like most other k8s controllers, is now used for setting log visibility.

Note: to restore the json log output that the controller previously had, users can set --logging-format=json and I verified that worked as expected.

Checklist

• [ ] Added tests that cover your change (if possible)
• [ ] Added/modified documentation as required (such as the README.md, or the docs directory)
• [X] Manually tested
• [X] Made sure the title of the PR is a good description that can go into the release notes

BONUS POINTS checklist: complete for good vibes and maybe prizes?! :exploding_head:

• [ ] Backfilled missing tests for code in same general area :tada:
• [X] Refactored something and made the world a better place :star2:

[k8s-ci-robot]

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