[7.x] Cleanup Security plugin imports (#93056)

[jportner]

Backports the following commits to 7.x:

• Cleanup Security plugin imports (Cleanup Security plugin imports #93056)

[kibanamachine]

💚 Build Succeeded

• continuous-integration/kibana-ci/pull-request
• Commit: 118ef60
• Storybooks Preview

Metrics [docs]

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
security	724.3KB	724.3KB	+69.0B
triggersActionsUi	1.6MB	1.5MB	-23.9KB
total			-23.8KB

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
security	131.1KB	131.2KB	+150.0B
triggersActionsUi	104.0KB	104.1KB	+82.0B
total			+232.0B

Unknown metric groups

async chunk count

id	before	after	diff
triggersActionsUi	41	42	+1

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream