Remove dead code

runtime/src/accounts_index.rs

@@ -10,45 +10,11 @@ use std::{
         btree_map::{self, BTreeMap},
         HashMap, HashSet,
     },
-    ops::{Deref, DerefMut, Range, RangeBounds},
+    ops::{Range, RangeBounds},
     sync::{Arc, RwLock, RwLockReadGuard, RwLockWriteGuard},
 };
 const ITER_BATCH_SIZE: usize = 1000;
 
-#[self_referencing]
-pub struct OwningReadGuard<T: 'static> {
-    lock: Arc<RwLock<T>>,
-    #[borrows(lock)]
-    pub guard: RwLockReadGuard<'this, T>,
-}
-
-impl<T> Deref for OwningReadGuard<T> {
-    type Target = T;
-    fn deref(&self) -> &Self::Target {
-        &*self.guard
-    }
-}
-
-#[self_referencing]
-pub struct OwningWriteGuard<T: 'static> {
-    lock: Arc<RwLock<T>>,
-    #[borrows(lock)]
-    pub guard: RwLockWriteGuard<'this, T>,
-}
-
-impl<T> Deref for OwningWriteGuard<T> {
-    type Target = T;
-    fn deref(&self) -> &Self::Target {
-        &*self.guard
-    }
-}
-
-impl<T> DerefMut for OwningWriteGuard<T> {
-    fn deref_mut(&mut self) -> &mut Self::Target {
-        &mut *self.guard
-    }
-}
-
 pub type SlotList<T> = Vec<(Slot, T)>;
 pub type SlotSlice<'s, T> = &'s [(Slot, T)];
 pub type Ancestors = HashMap<Slot, usize>;