Remove final usage of createReactClass and dependency. (#2034)

## Summary:
Removing the final usage of createReactClass and create-react-class dependency from Perseus.

Issue: LEMS-2668

## Test plan:
Run yarn test.
Go to ?path=/story/perseuseditor-widgets-interactive-graph--interactive-graph-polygon (or any widget editor)
Select `Developer JSON Mode`
Confirm you can edit and modify the json object.

Author: catandthemachines

Reviewers: catandthemachines, jeremywiebe

Required Reviewers:

Approved By: jeremywiebe

Checks: ✅ Lint, Typecheck, Format, and Test (ubuntu-latest, 20.x), ✅ Publish npm snapshot (ubuntu-latest, 20.x), ✅ Check builds for changes in size (ubuntu-latest, 20.x), ✅ Check for .changeset entries for all changed files (ubuntu-latest, 20.x), ✅ Publish Storybook to Chromatic (ubuntu-latest, 20.x), ✅ Cypress (ubuntu-latest, 20.x)

Pull Request URL: #2034

.changeset/brown-eagles-shout.md

@@ -0,0 +1,6 @@
+---
+"@khanacademy/perseus": patch
+"@khanacademy/perseus-editor": patch
+---
+
+Removing final usage of createReactClass.

packages/perseus-editor/package.json

@@ -64,7 +64,6 @@
         "@phosphor-icons/core": "^2.0.2",
         "aphrodite": "^1.2.5",
         "classnames": "1.1.4",
-        "create-react-class": "15.6.3",
         "jquery": "^2.1.1",
         "katex": "0.11.1",
         "perseus-build-settings": "^0.4.2",
@@ -92,7 +91,6 @@
         "@phosphor-icons/core": "^2.0.2",
         "aphrodite": "^1.2.5",
         "classnames": "1.1.4",
-        "create-react-class": "15.6.3",
         "jquery": "^2.1.1",
         "prop-types": "15.6.1",
         "react": "^18.2.0",