8275074: Cleanup unused code in JFR LeakProfiler

Reviewed-by: mgronlun

Author: rkennke

src/hotspot/share/jfr/leakprofiler/chains/edgeUtils.cpp

@@ -35,10 +35,6 @@
 #include "oops/oopsHierarchy.hpp"
 #include "runtime/handles.inline.hpp"
 
-bool EdgeUtils::is_leak_edge(const Edge& edge) {
-  return (const Edge*)edge.pointee()->mark().to_pointer() == &edge;
-}
-
 static bool is_static_field(const oop ref_owner, const InstanceKlass* ik, int offset) {
   assert(ref_owner != NULL, "invariant");
   assert(ik != NULL, "invariant");

src/hotspot/share/jfr/leakprofiler/chains/edgeUtils.hpp

@@ -36,7 +36,6 @@ class EdgeUtils : public AllStatic {
   static const size_t root_context = 100;
   static const size_t max_ref_chain_depth = leak_context + root_context;
 
-  static bool is_leak_edge(const Edge& edge);
   static const Edge* root(const Edge& edge);
   static const Edge* ancestor(const Edge& edge, size_t distance);