Disable building the old combinator.

src/parser/mod.rs

@@ -1,19 +1,19 @@
-mod bold;
+// mod bold;
-mod combinator;
+// mod combinator;
 mod document;
 mod element;
 mod error;
 mod greater_element;
 mod lesser_element;
-mod link;
+// mod link;
 mod list;
 mod object;
-mod paragraph;
+// mod paragraph;
 mod parser_context;
 mod parser_with_context;
-mod plain_list;
+// mod plain_list;
 mod source;
-mod text;
+// mod text;
 mod token;
 mod util;
 type Context<'r, 's> = &'r parser_context::ContextTree<'r, 's>;