Revert "Use off-heap data for type feedback in PolymorphicInstanceCallInstr"

runtime/vm/il_printer.h

Index: runtime/vm/il_printer.h
diff --git a/runtime/vm/il_printer.h b/runtime/vm/il_printer.h
index b3553e4462a7a01bdb6a828c4d123ab4f250479a..7b27a6174faad8a22e51b4d95672cb1f47e539af 100644
--- a/runtime/vm/il_printer.h
+++ b/runtime/vm/il_printer.h
@@ -62,11 +62,6 @@ class FlowGraphPrinter : public ValueObject {
   static void PrintICData(const ICData& ic_data,
                           intptr_t num_checks_to_print = kPrintAll);
 
-  // Debugging helper function. If 'num_checks_to_print' is not specified
-  // all checks will be printed.
-  static void PrintCidRangeData(const CallTargets& ic_data,
-                                intptr_t num_checks_to_print = kPrintAll);
-
   static bool ShouldPrint(const Function& function);
 
   static bool PassesFilter(const char* filter, const Function& function);