Merge pull request #1035 from sartura/libyang2-fuzz-harness-rewrite

fuzzing CHANGE fuzz harness refactor, with support for LLVM's LibFuzzer
diff --git a/src/tree_data_internal.h b/src/tree_data_internal.h
index 5873306..e319fb6 100644
--- a/src/tree_data_internal.h
+++ b/src/tree_data_internal.h
@@ -18,11 +18,8 @@
 #include "tree_data.h"
 #include "plugins_types.h"
 
-#include <assert.h>
 #include <stddef.h>
 
-static_assert(offsetof(struct lyd_node, flags) == offsetof(struct lyd_node_opaq, flags), "");
-
 /**
  * @brief Check whether a node to be deleted is the first top-level sibling.
  *