Remove dead code

Signed-off-by: Jorge Prendes <[email protected]>

Author: jprendes

src/hyperlight_host/src/mem/mgr.rs

@@ -321,21 +321,6 @@ where
         Ok(old_rgns - self.mapped_rgns)
     }
 
-    /// this function pops the last snapshot off the stack and restores the memory to the previous state
-    /// It should be used when you want to restore the state of the memory to a previous state and do not need to retain that state
-    /// for example when devolving a sandbox to a previous state.
-    pub(crate) fn pop_and_restore_state_from_snapshot(&mut self) -> Result<u64> {
-        let last = self
-            .snapshots
-            .try_lock()
-            .map_err(|e| new_error!("Error locking at {}:{}: {}", file!(), line!(), e))?
-            .pop();
-        if last.is_none() {
-            log_then_return!(NoMemorySnapshot);
-        }
-        self.restore_state_from_last_snapshot()
-    }
-
     /// Sets `addr` to the correct offset in the memory referenced by
     /// `shared_mem` to indicate the address of the outb pointer and context
     /// for calling outb function

src/hyperlight_host/src/mem/shared_mem_snapshot.rs

@@ -53,10 +53,7 @@ impl SharedMemorySnapshot {
     /// Copy the memory from the internally-stored memory snapshot
     /// into the internally-stored `SharedMemory`
     #[instrument(err(Debug), skip_all, parent = Span::current(), level= "Trace")]
-    pub(super) fn restore_from_snapshot<S: SharedMemory>(
-        &self,
-        shared_mem: &mut S,
-    ) -> Result<u64> {
+    pub(super) fn restore_from_snapshot<S: SharedMemory>(&self, shared_mem: &mut S) -> Result<u64> {
         shared_mem.with_exclusivity(|e| e.copy_from_slice(self.snapshot.as_slice(), 0))??;
         Ok(self.mapped_rgns)
     }