Update deps and remove babel

[Neylix]

Description

Update dependencies and remove babel.
Babel was used with webpack while we now use esbuild

How Has This Been Tested?

Tested explorer after deletion, it still works as expected

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own 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

[bchamagne]

Cloned the repo, did the 3 commands to start a node, and everything works as expected.