Revert "Add an optional prefix for Recurse (#483)"

[coreyoconnor]

This reverts the addition of prefix for recurse. A few issues were found:

1. a Recurse with prefix of a case class that also contained a Recurse with prefix had the incorrect arg name
2. help did not incorporate the prefix
3. Mystery failure https://github.com/VirtusLab/scala-cli/pull/2964