Revert "Duotone: Limit SVG filter output to used filters"

[ajlende]

Reverts #48995

There are a number of public APIs being added in this PR that need a little more work, so reverting so they can continue to be worked on.

[jeryj]

👍🏻

[github-actions]

Flaky tests detected in 10e18d5.
Some tests passed with failed attempts. The failures may not be related to this commit but are still reported for visibility. See the documentation for more information.

🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/4428244322
📝 Reported issues:

• [Flaky Test] allows tabbing to the inspector from the last block #48504 in /test/e2e/specs/site-editor/writing-flow.spec.js