Revert "add and use sanity check functions for dlists"

This reverts commit 147307e.

nope

src/lib/io/worker.c

@@ -757,7 +757,6 @@ static REQUEST *fr_worker_get_request(fr_worker_t *worker, fr_time_t now)
 		REQUEST_VERIFY(request);
 		rad_assert(request->runnable_id < 0);
 		fr_time_tracking_resume(&request->async->tracking, now, &worker->tracking);
-		rad_assert(fr_dlist_entry_empty(&request->async->tracking.list.entry));
 		return request;
 	}
 
@@ -1012,7 +1011,6 @@ static void fr_worker_run_request(fr_worker_t *worker, REQUEST *request)
 		break;
 
 	case RLM_MODULE_YIELD:
-		rad_assert(fr_dlist_entry_empty(&request->async->tracking.list.entry));
 		fr_time_tracking_yield(&request->async->tracking, fr_time(), &worker->tracking);
 		return;
 

src/lib/util/dlist.h

@@ -393,15 +393,6 @@ static inline CC_HINT(nonnull(1)) void *fr_dlist_remove(fr_dlist_head_t *list_he
 	return (void *) (((uint8_t *) prev) - list_head->offset);
 }
 
-#ifndef NDEBUG
-static inline bool fr_dlist_entry_empty(fr_dlist_t const *entry)
-{
-	if (entry->prev != entry->next) return false;
-	if (entry->prev != entry) return false;
-	return true;
-}
-#endif
-
 /** Check all items in the list are valid
  *
  * Checks item talloc headers and types to ensure they're consistent