feat!: drop modules, general refactor and cleanup

runtime/queries/pony/folds.scm

@@ -0,0 +1,39 @@
+[
+  (use_statement) 
+  (actor_definition)
+  (class_definition)
+  (primitive_definition)
+  (interface_definition)
+  (trait_definition)
+  (struct_definition)
+
+  (constructor)
+  (method)
+  (behavior)
+
+  (parameters)
+
+  (type)
+
+  (if_statement)
+  (iftype_statement)
+  (elseif_block)
+  (elseiftype_block)
+  (else_block)
+  (for_statement)
+  (while_statement)
+  (try_statement)
+  (with_statement)
+  (repeat_statement)
+  (recover_statement)
+  (match_statement)
+  (case_statement)
+  (parenthesized_expression)
+  (tuple_expression)
+
+  (array_literal)
+  (object_literal)
+  (string)
+
+  (block_comment)
+] @fold