Revert "Adding one more case to the hack. I'm not sure if we are going to go through with this, but I'm committing anyway so at least I'm handling all the cases."

This reverts commit 7dbfa6385fd74f0d073a8ec1f4ae1ac6a8257784.
Revert "Trying to improve the way krun calls external parser, and recognizes kast commands (optimized for direct calls)."

This reverts commit edc14d1202d1e74b85ac31efec3f05642b041fd1.