Revert "Add support in NaCl browser tests for testing pnacl-translated nexes"

chrome/test/nacl/nacl_browsertest_util.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/test/nacl/nacl_browsertest_util.h"
 
 #include "base/command_line.h"
 #include "base/json/json_reader.h"
 #include "base/path_service.h"
 #include "base/values.h"
@@ skipping 226 matching lines @@
   return test_server_->Start();
 }
 
 FilePath::StringType NaClBrowserTestNewlib::Variant() {
   return FILE_PATH_LITERAL("newlib");
 }
 
 FilePath::StringType NaClBrowserTestGLibc::Variant() {
   return FILE_PATH_LITERAL("glibc");
 }
-
-FilePath::StringType NaClBrowserTestPnaclNexe::Variant() {
-  return FILE_PATH_LITERAL("pnacl");
-}