Revert "Free state variable allocated in wd_resource_state_is_ok"

This reverts commit 01c63ca17ca5b5a780cff0dd96d7d432b3e980a3.

exec/wd.c

@@ -202,7 +202,6 @@ static int32_t wd_resource_state_is_ok (struct resource *ref)
 		*/
 		return CS_FALSE;
 	}
-	free (state);
 
 	if (last_updated == 0) {
 		/* initial value */