[8.0] Remove legacy logging (#112305)

* remove kbn-legacy-logging package

* remove legacy service

* remove legacy appender

* remove LegacyObjectToConfigAdapter

* gix types

* remove @hapi/good / @hapi/good-squeeze / @hapi/podium

* remove `default` appender validation for `root` logger

* remove old config key from kibana-docker

* fix FTR config

* fix dev server

* remove reference from readme

* fix unit test

* clean CLI args and remove quiet option

* fix type

* fix status test config

* remove from test config

* fix snapshot

* use another regexp

* update generated doc

* fix createRootWithSettings

* fix some integration tests

* another IT fix

* yet another IT fix

* (will be reverted) add assertion for CI failure

* Revert "(will be reverted) add assertion for CI failure"

This reverts commit 78d5560f9e.

* switch back to json layout for test

* remove legacy logging config deprecations

* address some review comments

* update documentation

* update kibana.yml config examples

* add config example for `metrics.ops`

Co-authored-by: Tyler Smalley <tyler.smalley@elastic.co>

docs/developer/getting-started/monorepo-packages.asciidoc

@@ -74,7 +74,6 @@ yarn kbn watch
 - @kbn/i18n
 - @kbn/interpreter
 - @kbn/io-ts-utils
-- @kbn/legacy-logging
 - @kbn/logging
 - @kbn/mapbox-gl
 - @kbn/monaco