Do we need /all and /repository-structure in newly created AEM folder structure

I have a requirement to create a new repo and wanted to use archetype 22. When I ran my maven archetype command, it is building/all and /repository-structure in my codebase.
/all - it is creating two packages one is regular package and vendor package. I excluded /all folder from my parent pom.xml, and my new project is working fine.
/repository - I try to remove this folder, but it has many dependencies with other folders.( we are in AEM 6.4.6 version)
Can we exclude these 2 structures and if not can you let me know the importance.