[debugger] Simplify deletion of DeoptimizedFrameInfo.

src/deoptimizer.cc

Index: src/deoptimizer.cc
diff --git a/src/deoptimizer.cc b/src/deoptimizer.cc
index 4cf41a9f277cadcfd3d4a99f12ea9754d8411591..8be6cd1ee5f6d885e3f7847d41d4ce370ad93f6e 100644
--- a/src/deoptimizer.cc
+++ b/src/deoptimizer.cc
@@ -159,13 +159,6 @@ DeoptimizedFrameInfo* Deoptimizer::DebuggerInspectableFrame(
   return info;
 }
 
-
-void Deoptimizer::DeleteDebuggerInspectableFrame(DeoptimizedFrameInfo* info,
-                                                 Isolate* isolate) {
-  delete info;
-}
-
-
 void Deoptimizer::GenerateDeoptimizationEntries(MacroAssembler* masm,
                                                 int count,
                                                 BailoutType type) {
@@ -173,7 +166,6 @@ void Deoptimizer::GenerateDeoptimizationEntries(MacroAssembler* masm,
   generator.Generate();
 }
 
-
 void Deoptimizer::VisitAllOptimizedFunctionsForContext(
     Context* context, OptimizedFunctionVisitor* visitor) {
   DisallowHeapAllocation no_allocation;