Revert "Add a test for syntax error handling. This doesn't actually test anything, or output tap, because... I don't think anyone knows how exactly syntax error reporting should be handled. Right now it just crashes, which is not what we want."
Revert "Add a test for syntax error handling. This doesn't actually test anything, or output tap, because... I don't think anyone knows how exactly syntax error reporting should be handled. Right now it just crashes, which is not what we want."

This reverts commit 83c9200a75440653608c40f37c75f17ef9a63486.

We want this in a branch so master keeps passing tests

leto/plparrot,leto/plparrot,leto/plparrot