[regexp] Remove remainder of native RegExpExecStub

src/interface-descriptors.cc

 // Copyright 2012 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/interface-descriptors.h"
 
 namespace v8 {
 namespace internal {
 
 
@@ skipping 474 matching lines @@
 
 void CallICTrampolineDescriptor::InitializePlatformIndependent(
     CallInterfaceDescriptorData* data) {
   // kTarget, kActualArgumentsCount, kSlot
   MachineType machine_types[] = {MachineType::AnyTagged(), MachineType::Int32(),
                                  MachineType::Int32()};
   data->InitializePlatformIndependent(arraysize(machine_types), 0,
                                       machine_types);
 }
 
-void RegExpExecDescriptor::InitializePlatformIndependent(
-    CallInterfaceDescriptorData* data) {
-  // kString, kLastIndex, kStringStart, kStringEnd, kEntryPoint
-  MachineType machine_types[] = {MachineType::AnyTagged(), MachineType::Int32(),
-                                 MachineType::Pointer(), MachineType::Pointer(),
-                                 MachineType::AnyTagged()};
-  data->InitializePlatformIndependent(arraysize(machine_types), 0,
-                                      machine_types);
-}
-
-void RegExpExecDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {StringRegister(), LastIndexRegister(),
-                          StringStartRegister(), StringEndRegister(),
-                          CodeRegister()};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
 void BuiltinDescriptor::InitializePlatformIndependent(
     CallInterfaceDescriptorData* data) {
   // kTarget, kNewTarget, kArgumentsCount
   MachineType machine_types[] = {
       MachineType::AnyTagged(), MachineType::AnyTagged(), MachineType::Int32()};
   data->InitializePlatformIndependent(arraysize(machine_types), 0,
                                       machine_types);
 }
 
 void BuiltinDescriptor::InitializePlatformSpecific(
@@ skipping 126 matching lines @@
 void FrameDropperTrampolineDescriptor::InitializePlatformIndependent(
     CallInterfaceDescriptorData* data) {
   // New FP value.
   MachineType machine_types[] = {MachineType::Pointer()};
   data->InitializePlatformIndependent(arraysize(machine_types), 0,
                                       machine_types);
 }
 
 }  // namespace internal
 }  // namespace v8