it: simplify tracking of deleted objects

src/it/test_object.rs

@@ -4,7 +4,7 @@ use {
         object::{Interface, ObjectId},
         utils::buffd::MsgParser,
     },
-    std::{cell::Cell, rc::Rc},
+    std::rc::Rc,
 };
 
 macro_rules! test_object {
@@ -14,10 +14,6 @@ macro_rules! test_object {
                 self.id.into()
             }
 
-            fn deleted(&self) -> &Deleted {
-                &self.deleted
-            }
-
             #[allow(unused_variables, unreachable_code)]
             fn handle_request(
                 self: std::rc::Rc<Self>,
@@ -41,25 +37,8 @@ macro_rules! test_object {
     };
 }
 
-#[derive(Default)]
-pub struct Deleted(Cell<bool>);
-
-impl Deleted {
-    pub fn set(&self) {
-        self.0.set(true);
-    }
-
-    pub fn check(&self) -> Result<(), TestError> {
-        match self.0.get() {
-            true => bail!("Object has already been deleted"),
-            _ => Ok(()),
-        }
-    }
-}
-
 pub trait TestObjectBase: 'static {
     fn id(&self) -> ObjectId;
-    fn deleted(&self) -> &Deleted;
     fn handle_request(
         self: Rc<Self>,
         request: u32,