Remove the checked-in scons configuration files.

base/base_sln.scons

Index: base/base_sln.scons
===================================================================
--- base/base_sln.scons	(revision 12583)
+++ base/base_sln.scons	(working copy)
@@ -1,46 +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__ = """
-Configuration for building base.sln.
-"""
-
-Import('env')
-
-env = env.Clone()
-
-env.Tool('MSVSNew')
-
-env.ChromeMSVSFolder('base dependencies',
-                     name='dependencies',
-                     entries = [
-                         '$ZLIB_DIR/zlib.vcproj',
-                         '$ICU38_DIR/build/icu.vcproj',
-                         '$ICU38_DIR/build/icudt.vcproj',
-                         '$TESTING_DIR/gtest.vcproj',
-                         '$LIBPNG_DIR/libpng.vcproj',
-                         '$SKIA_DIR/skia.vcproj',
-                     ],
-                     guid='{F216062D-F9C4-4883-A52C-2BE9ECADEEA0}')
-
-
-solution = env.ChromeMSVSSolution('base.sln',
-                                  dest='$CHROME_SRC_DIR/base/base.sln',
-                                  entries = [
-                                      '$BASE_DIR/build/base.vcproj',
-                                      '$BASE_DIR/build/base_unittests.vcproj',
-                                      '$BASE_DIR/build/debug_message.vcproj',
-                                      'base dependencies',
-                                      '$ICU38_DIR/build/icu.vcproj',
-                                      '$ICU38_DIR/build/icudt.vcproj',
-                                      '$BASE_DIR/build/base_gfx.vcproj',
-                                      '$SKIA_DIR/skia.vcproj',
-                                      '$LIBPNG_DIR/libpng.vcproj',
-                                      '$ZLIB_DIR/zlib.vcproj',
-                                      '$TESTING_DIR/gtest.vcproj',
-                                  ],
-                                  variants = [
-                                      'Debug|Win32',
-                                      'Release|Win32',
-                                  ])