Inlining PPAPI_LIBS as its now the same everywhere.

ppapi/native_client/tests/ppapi_simple_tests/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('env')
 
 env.Prepend(CPPDEFINES=['XP_UNIX'])
 
 
 ######################################################################
 # REPLAY TESTS
 ######################################################################
 TESTS = [('audio', ('audio',)),
          ('graphics2d',('graphics2d',)),
          ('event', ('event',)),
          ('file', ('file1', 'file2')),
          ]
 
 for test_exe, test_inputs in TESTS:
   nexe = env.ComponentProgram('ppapi_simple_' + test_exe,
                               [test_exe + '.cc'],
-                              EXTRA_LIBS=['${PPAPI_LIBS}',
+                              EXTRA_LIBS=['ppapi',
                                           'ppapi_cpp',
                                           'platform',
                                           'gio',
                                           'pthread',
                                           'm',
                                           ])
 
   for test in test_inputs:
     node = env.SelUniversalTest(
         'ppapi_simple_' + test + '.out',
@@ skipping 27 matching lines @@
         'test.txt',    # c.f. ppapi_emu_file.stdin
         env.File('test.txt'),
         ],
     uses_ppapi=True,
     stdout_golden=env.File('ppapi_emu_file.stdout'),
     )
 
 env.AddNodeToTestSuite(node,
                        ['small_tests', 'sel_ldr_tests'],
                        'run_ppapi_emu_file_test')