Remove old isolate API and update all code in the repository to use

runtime/vm/bootstrap_natives.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_BOOTSTRAP_NATIVES_H_
 #define VM_BOOTSTRAP_NATIVES_H_
 
 #include "vm/native_entry.h"
 
 // bootstrap dart natives used in the core dart library.
 
 namespace dart {
 
 // List of bootstrap native entry points used in the core dart library.
 #define BOOTSTRAP_NATIVE_LIST(V)                                               \
   V(Object_toString, 1)                                                        \
   V(Object_noSuchMethod, 3)                                                    \
   V(Integer_bitAndFromInteger, 2)                                              \
   V(Integer_bitOrFromInteger, 2)                                               \
   V(Integer_bitXorFromInteger, 2)                                              \
   V(Integer_addFromInteger, 2)                                                 \
   V(Integer_subFromInteger, 2)                                                 \
   V(Integer_mulFromInteger, 2)                                                 \
   V(Integer_truncDivFromInteger, 2)                                            \
   V(Integer_moduloFromInteger, 2)                                              \
   V(Integer_greaterThanFromInteger, 2)                                         \
   V(Integer_equalToInteger, 2)                                                 \
-  V(IsolateNatives_start, 2)                                                   \
   V(ReceivePortImpl_factory, 1)                                                \
   V(ReceivePortImpl_closeInternal, 1)                                          \
   V(SendPortImpl_sendInternal_, 3)                                             \
   V(Smi_shlFromInt, 2)                                                         \
   V(Smi_shrFromInt, 2)                                                         \
   V(Smi_bitNegate, 1)                                                          \
   V(Mint_bitNegate, 1)                                                         \
   V(Bigint_bitNegate, 1)                                                       \
   V(Double_add, 2)                                                             \
   V(Double_sub, 2)                                                             \
@@ skipping 151 matching lines @@
   V(GrowableObjectArray_getLength, 1)                                          \
   V(GrowableObjectArray_getCapacity, 1)                                        \
   V(GrowableObjectArray_setLength, 2)                                          \
   V(GrowableObjectArray_setData, 2)                                            \
 
 BOOTSTRAP_NATIVE_LIST(DECLARE_NATIVE_ENTRY)
 
 }  // namespace dart
 
 #endif  // VM_BOOTSTRAP_NATIVES_H_