Revert "Save and restore feedback from JIT."

runtime/vm/vm_sources.gypi

 # Copyright (c) 2013, 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.
 
 # This file contains all sources (vm and tests) for the dart virtual machine.
 # Unit test files need to have a '_test' suffix appended to the name.
 {
   'sources': [
     'allocation.cc',
     'allocation.h',
@@ skipping 251 matching lines @@
     'intrinsifier_mips.cc',
     'intrinsifier_x64.cc',
     'isolate.cc',
     'isolate.h',
     'isolate_reload.cc',
     'isolate_reload.h',
     'isolate_reload_test.cc',
     'isolate_test.cc',
     'jit_optimizer.cc',
     'jit_optimizer.h',
-    'json_parser.h',
     'json_stream.h',
     'json_stream.cc',
     'json_test.cc',
     'kernel_isolate.cc',
     'kernel_isolate.h',
     'locations.cc',
     'locations.h',
     'lockers.cc',
     'lockers.h',
     'log_test.cc',
@@ skipping 75 matching lines @@
     'pages.h',
     'pages_test.cc',
     'parser.cc',
     'parser.h',
     'parser_test.cc',
     'port.cc',
     'port.h',
     'port_test.cc',
     'precompiler.cc',
     'precompiler.h',
-    'program_visitor.cc',
-    'program_visitor.h',
     'kernel.h',
     'kernel.cc',
     'kernel_binary.cc',
     'kernel_to_il.cc',
     'kernel_to_il.h',
     'kernel_reader.h',
     'kernel_reader.cc',
     'proccpuinfo.cc',
     'proccpuinfo.h',
     'profiler_service.cc',
@@ skipping 166 matching lines @@
     'visitor.h',
     'weak_code.cc',
     'weak_code.h',
     'weak_table.cc',
     'weak_table.h',
     'zone.cc',
     'zone.h',
     'zone_test.cc',
   ],
 }