[rm-input-number] 4 - Remove input-number editor and fix editor tests

[jeremywiebe]

Summary:

This is the fourth PR of deleting the input-number widget from Perseus. In this one we remove the input-number editor and update all related tests.

Note that this PR contains Flow and Jest failures. I am going to fix/resolve these issues over the next few PRs so that each one is smaller and easier to review. The entire stack will only be landed once everything has been fixed and tested.

Previous PRs in stack:

• [rm-input-number] 1 - Replace input-number with numeric-input #430
• [rm-input-number] 2 - Fix renderer-related tests #431
• [rm-input-number] 3 - Fix renderer-api tests #432

Issue: LC-616

Test plan:

yarn test editor_test.jsx traversal_test.jsx register-all-widgets-and-editors-for-testing_test.js

[changeset-bot]

⚠️ No Changeset found

Latest commit: 0fa3c88

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[github-actions]

npm Snapshot: Published

🎉 Good news!! We've packaged up the latest commit from this PR (250685d) and published it to npm. You
can install it using the tag PR433.

Example:

yarn add @khanacademy/perseus@PR433

[github-actions]

Size Change: +117 B (0%)

Total Size: 652 kB

Filename	Size	Change
packages/perseus-editor/dist/es/index.js	114 kB	+117 B (0%)

ℹ️ View Unchanged

Filename	Size
packages/kas/dist/es/index.js	38 kB
packages/kmath/dist/es/index.js	4.13 kB
packages/math-input/dist/es/index.js	60.3 kB
packages/perseus-error/dist/es/index.js	705 B
packages/perseus-linter/dist/es/index.js	21.2 kB
packages/perseus/dist/es/index.js	398 kB
packages/pure-markdown/dist/es/index.js	3.65 kB
packages/simple-markdown/dist/es/index.js	12.6 kB

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