NaCl: remove dead tests and files from the SCons build.

ppapi/native_client/tests/ppapi_simple_tests/file2.stdout

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-"*** REPLAY PROLOG"
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-"*** REGISTER REPLAY METHODS"
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-"*** CREATE UPCALL SERVICE"
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-"*** INIT MODULE"
-rpc call intiated PPP_InitializeModule:iihs:ii
-input 0:  i(0)
-input 1:  i(4444)
-input 2:  h(pepper_desc)
-input 3:  @LENGTHY_SERVICE_STRING
-replaying PPB_GetInterface:s:i:
-input 0:  s("PPB_Core;1.0")
-output 0:  i(1)
-rpc call complete PPP_InitializeModule:iihs:ii
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-"*** Load URL"
-rpc call intiated PPP_Instance_DidCreate:iiCC:i
-input 0:  i(5555)
-input 1:  i(3)
-input 2:  C(23,chunk_size\x00url\x00to_file\x00)
-input 3:  C(16,10\x00myurl.html\x001\x00)
-replaying PPB_GetInterface:s:i:
-input 0:  s("PPB_URLLoader;1.0")
-output 0:  i(1)
-replaying PPB_URLLoader_Create:i:i:
-input 0:  i(5555)
-output 0:  i(34)
-replaying PPB_GetInterface:s:i:
-input 0:  s("PPB_URLRequestInfo;1.0")
-output 0:  i(1)
-replaying PPB_URLRequestInfo_Create:i:i:
-input 0:  i(5555)
-output 0:  i(30)
-replaying PPB_GetInterface:s:i:
-input 0:  s("PPB_Var;1.0")
-output 0:  i(1)
-replaying PPB_URLRequestInfo_SetProperty:iiC:i:
-input 0:  i(30)
-input 1:  i(0)
-input 2:  C(24,\x05\x00\x00\x00\n\x00\x00\x00myurl.html\x00\x00\x00\x00\x00\x00)
-output 0:  i(1)
-replaying PPB_URLRequestInfo_SetProperty:iiC:i:
-input 0:  i(30)
-input 1:  i(3)
-input 2:  C(8,\x02\x00\x00\x00\x01\x00\x00\x00)
-output 0:  i(1)
-replaying PPB_URLLoader_Open:iii:i:
-input 0:  i(34)
-input 1:  i(30)
-input 2:  i(1)
-output 0:  i(-1)
-replaying PPB_Core_ReleaseResource:i::
-input 0:  i(30)
-rpc call complete PPP_Instance_DidCreate:iiCC:i
-output 0:  i(1)
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-"*** async Open Callback"
-rpc call intiated RunCompletionCallback:iiC:
-input 0:  i(1)
-input 1:  i(0)
-input 2:  C(0,)
-replaying PPB_URLLoader_GetResponseInfo:i:i:
-input 0:  i(34)
-output 0:  i(38)
-replaying PPB_GetInterface:s:i:
-input 0:  s("PPB_URLResponseInfo;1.0")
-output 0:  i(1)
-replaying PPB_URLResponseInfo_GetProperty:ii:C:
-input 0:  i(38)
-input 1:  i(3)
-output 0:  C(8,\x03\x00\x00\x00\xc8\x00\x00\x00)
-replaying PPB_GetInterface:s:i:
-input 0:  s("PPB_Messaging;1.0")
-output 0:  i(1)
-replaying PPB_Messaging_PostMessage:iC::
-input 0:  i(5555)
-input 1:  C(48,\x05\x00\x00\x00!\x00\x00\x005555: Error: Finish unexpected rv\x00\x00\x00\x00\x00\x00\x00)
-replaying PPB_Core_ReleaseResource:i::
-input 0:  i(38)
-rpc call complete RunCompletionCallback:iiC:
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-"*** DONE"
-rpc call intiated PPP_ShutdownModule::
-rpc call complete PPP_ShutdownModule::
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