Dont use suspense in dog app, remove from use_future

packages/hooks/src/usefuture.rs

@@ -167,10 +167,6 @@ impl<T> UseFuture<T> {
             (Some(_), None) => UseFutureState::Pending,
         }
     }
-
-    pub fn suspend(&self) -> Option<&T> {
-        todo!()
-    }
 }
 
 impl<'a, T> IntoFuture for &'a UseFuture<T> {