Revert "[kernel] offsets on direct property get/set"

runtime/vm/kernel_binary.cc

 // Copyright (c) 2016, 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.
 #if !defined(DART_PRECOMPILED_RUNTIME)
 
 #include "platform/globals.h"
 #include "vm/flags.h"
 #include "vm/growable_array.h"
 #include "vm/kernel.h"
 #include "vm/kernel_to_il.h"
@@ skipping 1078 matching lines @@
   set->name_ = Name::ReadFrom(reader);
   set->value_ = Expression::ReadFrom(reader);
   set->interface_target_reference_ = Reference::ReadMemberFrom(reader, true);
   return set;
 }
 
 
 DirectPropertyGet* DirectPropertyGet::ReadFrom(Reader* reader) {
   TRACE_READ_OFFSET();
   DirectPropertyGet* get = new DirectPropertyGet();
-  get->position_ = reader->ReadPosition();
   get->receiver_ = Expression::ReadFrom(reader);
   get->target_reference_ = Reference::ReadMemberFrom(reader);
   return get;
 }
 
 
 DirectPropertySet* DirectPropertySet::ReadFrom(Reader* reader) {
   TRACE_READ_OFFSET();
   DirectPropertySet* set = new DirectPropertySet();
-  set->position_ = reader->ReadPosition();
   set->receiver_ = Expression::ReadFrom(reader);
   set->target_reference_ = Reference::ReadMemberFrom(reader);
   set->value_ = Expression::ReadFrom(reader);
   return set;
 }
 
 
 StaticGet* StaticGet::ReadFrom(Reader* reader) {
   TRACE_READ_OFFSET();
   StaticGet* get = new StaticGet();
@@ skipping 818 matching lines @@
 
 kernel::Program* ReadPrecompiledKernelFromBuffer(const uint8_t* buffer,
                                                  intptr_t buffer_length) {
   kernel::Reader reader(buffer, buffer_length);
   return kernel::Program::ReadFrom(&reader);
 }
 
 
 }  // namespace dart
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)