seccomp: remove build-time flags

chrome/common/chrome_switches.h

 // Copyright (c) 2010 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.
 
 // Defines all the command-line switches used by Chrome.
 
 #ifndef CHROME_COMMON_CHROME_SWITCHES_H_
 #define CHROME_COMMON_CHROME_SWITCHES_H_
 #pragma once
 
@@ skipping 383 matching lines @@
 #endif
 
 #if !defined(OFFICIAL_BUILD)
 extern const char kRendererCheckFalseTest[];
 #endif
 
 #if defined(HAVE_XINPUT2)
 extern const char kTouchDevices[];
 #endif
 
-#if defined(USE_SECCOMP_SANDBOX)
 extern const char kDisableSeccompSandbox[];
-#else
 extern const char kEnableSeccompSandbox[];
-#endif
+
 // Return true if the switches indicate the seccomp sandbox is enabled.
 bool SeccompSandboxEnabled();
 
 // DON'T ADD RANDOM STUFF HERE. Put it in the main section above in
 // alphabetical order, or in one of the ifdefs (also in order in each section).
 
 }  // namespace switches
 
 #endif  // CHROME_COMMON_CHROME_SWITCHES_H_