Remove the checked-in scons configuration files.

build/internal/release_defaults.scons

Index: build/internal/release_defaults.scons
===================================================================
--- build/internal/release_defaults.scons	(revision 12583)
+++ build/internal/release_defaults.scons	(working copy)
@@ -1,47 +0,0 @@
-# Copyright (c) 2006-2008 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.
-
-__doc__ = """
-Default settings for all Chromium release builds.
-
-Incorporates "essential" settings.
-"""
-
-Import("env")
-
-env.ApplySConscript([
-    'essential.scons',
-])
-
-env.Append(
-    CPPDEFINES = [
-        'NDEBUG',
-    ],
-)
-
-if env.Bit('windows'):
-  if env.get('INCREMENTAL') is None:
-    # INCREMENTAL was not specified on the command line or in the
-    # external environment; release default is full link.
-    env['INCREMENTAL'] = False
-    env['CHROMIUM_INCREMENTAL_FLAGS'] = '/INCREMENTAL:NO'
-
-  env.Replace(
-      CHROMIUM_CC_OPT_FLAGS = [
-          '/O2',                # VCCLCompilerTool.Optimization="2"
-      ],
-      CHROMIUM_LINK_OPT_FLAGS = [
-          '/OPT:REF',           # VCLinkerTool.OptimizeReferences="2"
-          '/OPT:NOICF',         # VCLinkerTool.EnableCOMDATFolding="2"
-          '/OPT:NOWIN98',       # VCLinkerTool.OptimizeForWindows98="1"
-      ],
-  ),
-  env.Append(
-      CCFLAGS = [
-          '/GF',                # VCCLCompilerTool.StringPooling="true"
-      ],
-      LINKFLAGS = [
-          '/INCREMENTAL:NO',    # VCLinkerTool.LinkIncremental="1"
-      ],
-  )