[PRISM] Move pm_scope_node_init to prism_compile.c
pm_scope_node_init is only used for CRuby, so should not live in the ruby/prism repo. We will merge the changes here first so they're not breaking, and will then remove from ruby/prism
[PRISM] Move pm_scope_node_init to prism_compile.c
pm_scope_node_init is only used for CRuby, so should not live in the
ruby/prism repo. We will merge the changes here first so they're
not breaking, and will then remove from ruby/prism