Remove obsolete and disabled tests for glibc IMC startup hack

tests/startup_message/nacl.scons

-# -*- python -*-
-# Copyright (c) 2011 The Native Client Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import os
-
-Import('env')
-
-# This tests a feature that is currently only in nacl-glibc's dynamic
-# linker.
-if not env.Bit('nacl_glibc'):
-  Return()
-if env.Bit('nacl_static_link'):
-  Return()
-# nacl-glibc tests are currently only run on Linux and the plumbing
-# for Python bindings will require more work for Mac and Windows.
-# TODO(mseaborn): Share a common set of checks and plumbing with
-# src/trusted/python_bindings/build.scons.
-if not env.Bit('host_linux'):
-  Return()
-# Disable for x86-32 in case this is a multilib target, since Python
-# does not support multilib.  See src/trusted/python_bindings/build.scons.
-if env.Bit('build_x86_32'):
-  Return()
-
-if 'TRUSTED_ENV' not in env:
-  Return()
-trusted_env = env['TRUSTED_ENV']
-
-python_extension = trusted_env.File('${STAGING_DIR}/naclimc.so')
-
-sel_ldr = trusted_env.File('${STAGING_DIR}/${PROGPREFIX}sel_ldr${PROGSUFFIX}')
-hello_world = env.File('${STAGING_DIR}/hello_world${PROGSUFFIX}')
-env_vars = [
-    'PYTHONPATH=%s' % ':'.join([os.path.dirname(python_extension.abspath),
-                                '${SCONSTRUCT_DIR}/src/tools/posix_over_imc']),
-    'NACL_SEL_LDR=%s' % sel_ldr,
-    'HELLO_WORLD_PROG=%s' % hello_world,
-    'NACL_LIBRARY_DIR=${NACL_SDK_LIB}',
-    ]
-dependencies = [python_extension, sel_ldr, hello_world]
-
-node = env.CommandTest(
-    'startup_message_test.out',
-    command=['${PYTHON}', env.File('test_startup.py')],
-    osenv=env_vars,
-    extra_deps=dependencies)
-env.AddNodeToTestSuite(node, ['small_tests'], 'run_startup_message_test')