Feature/lit 2493 js sdk remove vanilla packages

[Ansonhkg]

Description

Removing vanilla js builds due to low usage, this should reduce around 30 seconds (125s -> 95s) in build time.

Type of change

• Build

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Test A
• Test B

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
1 out of 3 committers have signed the CLA.

✅ Ansonhkg
❌ Garandor
❌ cairomassimo
_{You have signed the CLA already but the status is still pending? Let us recheck it.}