feat!: $* macro as it is not needed anymore

[SuperFola]

Description

Removed macro $* used to expand another macro inside the AST, which was a temporary work around for a bug in the parser, that didn't handle macros inside functions argument blocks.

Checklist

• I have read the Contributor guide
• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have updated the documentation if needed
• I have added tests that prove my fix/feature is working
• New and existing tests pass locally with my changes