fix: duplicate code to empty global-vars before generating

[Rajdeepc]

Description

Removing duplicate code from generate-tokens-wrapper.js

Related issue(s)

-

Motivation and context

How has this been tested?

• [ ] Test case 1
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• [ ] Test case 2
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  2. Do this

Screenshots (if appropriate)

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Chore (minor updates related to the tooling or maintenance of the repository, does not impact compiled assets)

Checklist

• [ ] I have signed the Adobe Open Source CLA.
• [ ] My code follows the code style of this project.
• [ ] If my change required a change to the documentation, I have updated the documentation in this pull request.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.
• [ ] I have reviewed at the Accessibility Practices for this feature, see: Aria Practices

Best practices

This repository uses conventional commit syntax for each commit message; note that the GitHub UI does not use this by default so be cautious when accepting suggested changes. Avoid the "Update branch" button on the pull request and opt instead for rebasing your branch against main.

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Branch preview

• Documentation Site
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Lighthouse scores

Category	Latest (report)	Main (report)	Branch (report)
Performance	0.99	0.99	0.99
Accessibility	1	1	1
Best Practices	1	1	1
SEO	1	0.92	0.92
PWA	1	1	1

What is this?

[Lighthouse](https://github.com/GoogleChrome/lighthouse) scores comparing the documentation site built from the PR ("Branch") to that of the production documentation site ("Latest") and the build currently on main ("Main"). Higher scores are better, but *note that the SEO scores on Netlify URLs are artifically constrained to 0.92.*

Transfer Size

Category	Latest	Main	Branch
Total	222.218 kB	210.488 kB	210.382 kB 🏆
Scripts	54.287 kB	48.056 kB 🏆	48.059 kB
Stylesheet	35.07 kB	30.521 kB	30.362 kB 🏆
Document	5.979 kB	5.268 kB	5.268 kB
Font	126.882 kB	126.643 kB 🏆	126.693 kB

Request Count

Category	Latest	Main	Branch
Total	45	45	45
Scripts	37	37	37
Stylesheet	5	5	5
Document	1	1	1
Font	2	2	2

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Tachometer results

Currently, no packages are changed by this PR...