Revert "Revert "pvmfw: Remove allow(dead_code) on get_debug_policy""

This reverts commit cb3b00eda5da53a63373d01336cad4cf89cf3e5a.

Reason for revert: <wrong revert for aosp/2443523>

Change-Id: I536da37bef2258316c5950223f7ec83690e9acc6
diff --git a/pvmfw/src/entry.rs b/pvmfw/src/entry.rs
index ddde50a..964ded1 100644
--- a/pvmfw/src/entry.rs
+++ b/pvmfw/src/entry.rs
@@ -391,7 +391,6 @@
         }
     }
 
-    #[allow(dead_code)] // TODO(b/232900974)
     fn get_debug_policy(&mut self) -> Option<&mut [u8]> {
         match self {
             Self::Config(ref mut cfg) => cfg.get_debug_policy(),