feat(remove-android): Remove codec tests

[DaveTryon]

Details

Deprecating Android support will touch hundreds of files, so we're breaking it up into more manageable units. This PR removes the files under src/tests/miscellaneous/codecs. These tests were added as a guard against accidentally shipping an Electron bundle that included proprietary codecs. Now that we no longer ship Electron, we no longer need the tests.

Motivation

Android deprecation feature

Context

Pull request checklist

• [n/a] Addresses an existing issue (part of Android deprecation feature)
• Ran yarn fastpass
• Added/updated relevant unit test(s) (and ran yarn test)
• Verified code coverage for the changes made. Check coverage report at: <rootDir>/test-results/unit/coverage
• PR title AND final merge commit title both start with a semantic tag (fix:, chore:, feat(feature-name):, refactor:). See CONTRIBUTING.md.
• [n/a] (UI changes only) Added screenshots/GIFs to description above
• [n/a] (UI changes only) Verified usability with NVDA/JAWS