fix: remove token generation scripts, workflows and related files

[bsahitya]

Description

Remove token generation scripts, files and workflows which are no longer needed.

What's included?

• Deleted _generated folder from token library
• Deleted token generation script and github workflow
• Removed token generation command from package.json

General Tests for Every PR

• [x] npm run start still works.
• [x] npm run lint passes.
• [x] npm run stylelint passes.
• [x] npm test passes and code coverage is not lower.
• [x] npm run build still works.

[owilliams320]

:tada: This PR is included in version 8.5.4 :tada:

The release is available on:

• v8.5.4
• GitHub release

Your semantic-release bot :package::rocket: