stop building/testing old x86 validator.

build/common.gypi

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     # .gyp files should set chromium_code to 1 if they build Chromium-specific
     # code, as opposed to external code.  This variable is used to control
     # such things as the set of warnings to enable, and whether warnings are
     # treated as errors.
@@ skipping 143 matching lines @@
     # These come from the above variable scope.
     'target_arch%': '<(target_arch)',
     'host_arch%': '<(host_arch)',
     'sysroot%': '<(sysroot)',
     'nacl_standalone%': '<(nacl_standalone)',
     'branding%': '<(branding)',
     'buildtype%': '<(buildtype)',
     'component%': '<(component)',
 
     'nacl_strict_warnings%': 1,
-    'nacl_validator_ragel%': 1,
 
     'linux2%': 0,
 
     'os_posix%': '<(os_posix)',
   },
 
   'target_defaults': {
     'include_dirs': [
       # Putting this first so that people who include "ppapi/..." get the
       # third_party version instead of any other version (the chrome location
@@ skipping 664 matching lines @@
     # like PROJECT_DERIVED_FILE_DIR is added to a project, in order for the
     # files to appear (when present) in the UI as actual files and not red
     # red "missing file" proxies, the correct path to PROJECT_DERIVED_FILE_DIR,
     # and therefore SYMROOT, needs to be set at the project level.
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
   'includes': [
     'untrusted.gypi',
   ],
 }