Fix import uses

Author: arjunr2

crates/wasmtime/src/runtime/component/component.rs

@@ -833,7 +833,8 @@ impl Component {
         &self.inner.realloc_func_type
     }
 
-    #[allow(unused)]
+    #[allow(unused, reason = "used only for verification with wasmtime `rr` feature \
+        and requires a lot of unnecessary gating across crates")]
     pub(crate) fn checksum(&self) -> &[u8; 32] {
         &self.inner.checksum
     }

crates/wasmtime/src/runtime/rr/mod.rs

@@ -7,9 +7,6 @@
 //!
 //! This module does NOT support RR for component builtins yet.
 
-#[cfg(all(feature = "rr", feature = "component-model-async"))]
-compile_error!("Support for `rr` not available with `component-model-async`");
-
 use crate::config::{ModuleVersionStrategy, RecordSettings, ReplaySettings};
 use crate::prelude::*;
 use core::fmt;