Revert "rustdoc search: prefer stable items in search results"

This reverts commit 1140e90074b0cbcfdea8535e4b51877e2838227e.

2 files changed, 0 insertions, 12 deletions

diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs
index 41ebaeade1d..a46253237db 100644
--- a/src/librustdoc/html/render/mod.rs
+++ b/src/librustdoc/html/render/mod.rs
@@ -139,12 +139,6 @@ pub(crate) struct IndexItem {
     pub(crate) search_type: Option<IndexItemFunctionType>,
     pub(crate) aliases: Box<[Symbol]>,
     pub(crate) deprecation: Option<Deprecation>,
-    pub(crate) stability: Option<Stability>,
-}
-impl IndexItem {
-    fn is_unstable(&self) -> bool {
-        matches!(&self.stability, Some(Stability { level: StabilityLevel::Unstable { .. }, .. }))
-    }
 }
 
 /// A type used for the search index.
diff --git a/src/librustdoc/html/render/search_index.rs b/src/librustdoc/html/render/search_index.rs
index 8d510a393df..e2f86b8a854 100644
--- a/src/librustdoc/html/render/search_index.rs
+++ b/src/librustdoc/html/render/search_index.rs
@@ -93,7 +93,6 @@ pub(crate) fn build_index(
                 ),
                 aliases: item.attrs.get_doc_aliases(),
                 deprecation: item.deprecation(tcx),
-                stability: item.stability(tcx),
             });
         }
     }
@@ -656,7 +655,6 @@ pub(crate) fn build_index(
             let mut parents_backref_queue = VecDeque::new();
             let mut functions = String::with_capacity(self.items.len());
             let mut deprecated = Vec::with_capacity(self.items.len());
-            let mut unstable = Vec::with_capacity(self.items.len());
 
             let mut type_backref_queue = VecDeque::new();
 
@@ -713,9 +711,6 @@ pub(crate) fn build_index(
                     // bitmasks always use 1-indexing for items, with 0 as the crate itself
                     deprecated.push(u32::try_from(index + 1).unwrap());
                 }
-                if item.is_unstable() {
-                    unstable.push(u32::try_from(index + 1).unwrap());
-                }
             }
 
             for (index, path) in &revert_extra_paths {
@@ -754,7 +749,6 @@ pub(crate) fn build_index(
             crate_data.serialize_field("r", &re_exports)?;
             crate_data.serialize_field("b", &self.associated_item_disambiguators)?;
             crate_data.serialize_field("c", &bitmap_to_string(&deprecated))?;
-            crate_data.serialize_field("u", &bitmap_to_string(&unstable))?;
             crate_data.serialize_field("e", &bitmap_to_string(&self.empty_desc))?;
             crate_data.serialize_field("P", &param_names)?;
             if has_aliases {