auto merge of #13173 : alexcrichton/rust/rustdoc-mods, r=huonw

... be stripped out"

This reverts commit 7180b5de44.

We don't particularly need this, I've never seen it clutter up the docs, it just seemed nice at the time. Sadly it caused a regression for reexported methods.

Closes #13091

src/librustdoc/passes.rs

@@ -128,8 +128,7 @@ impl<'a> fold::DocFolder for Stripper<'a> {
                 }
             }
 
-            clean::ViewItemItem(..) |
-            clean::ModuleItem(..) => {
+            clean::ViewItemItem(..) => {
                 if i.visibility != Some(ast::Public) {
                     return None
                 }
@@ -141,6 +140,9 @@ impl<'a> fold::DocFolder for Stripper<'a> {
                 }
             }
 
+            // handled below
+            clean::ModuleItem(..) => {}
+
             // trait impls for private items should be stripped
             clean::ImplItem(clean::Impl{ for_: clean::ResolvedPath{ id: ref for_id, .. }, .. }) => {
                 if !self.exported_items.contains(for_id) {