Remove Proxies cache entirely, for now
Reuse RepositorySystem provided by the maven plugin
Setting the RepositorySystemSession from the maven plugin
Revert "Setting the RepositorySystemSession from the maven plugin"

This reverts commit cf2403ec07616926abe4f83b4a20228c4771136d.

Revert "Reuse RepositorySystem provided by the maven plugin"

This reverts commit fedce343782a94efec7c4f8a5e1b453a10fd3f00