[ic] Delete old KeyedLoadIC code

src/external-reference-table.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/external-reference-table.h"
 
 #include "src/accessors.h"
 #include "src/assembler.h"
 #include "src/builtins/builtins.h"
 #include "src/counters.h"
@@ skipping 38 matching lines @@
   Add(ExternalReference::address_of_stack_limit(isolate).address(),
       "StackGuard::address_of_jslimit()");
   Add(ExternalReference::address_of_real_stack_limit(isolate).address(),
       "StackGuard::address_of_real_jslimit()");
   Add(ExternalReference::new_space_allocation_limit_address(isolate).address(),
       "Heap::NewSpaceAllocationLimitAddress()");
   Add(ExternalReference::new_space_allocation_top_address(isolate).address(),
       "Heap::NewSpaceAllocationTopAddress()");
   Add(ExternalReference::mod_two_doubles_operation(isolate).address(),
       "mod_two_doubles");
-  // Keyed lookup cache.
-  Add(ExternalReference::keyed_lookup_cache_keys(isolate).address(),
-      "KeyedLookupCache::keys()");
-  Add(ExternalReference::keyed_lookup_cache_field_offsets(isolate).address(),
-      "KeyedLookupCache::field_offsets()");
   Add(ExternalReference::handle_scope_next_address(isolate).address(),
       "HandleScope::next");
   Add(ExternalReference::handle_scope_limit_address(isolate).address(),
       "HandleScope::limit");
   Add(ExternalReference::handle_scope_level_address(isolate).address(),
       "HandleScope::level");
   Add(ExternalReference::new_deoptimizer_function(isolate).address(),
       "Deoptimizer::New()");
   Add(ExternalReference::compute_output_frames_function(isolate).address(),
       "Deoptimizer::ComputeOutputFrames()");
@@ skipping 371 matching lines @@
   if (api_external_references != nullptr) {
     while (*api_external_references != 0) {
       Add(reinterpret_cast<Address>(*api_external_references), "<embedder>");
       api_external_references++;
     }
   }
 }
 
 }  // namespace internal
 }  // namespace v8