Remove Symantec SEP compat check code -- it was never wired up.

chrome/installer/util/compat_checks.h

Index: chrome/installer/util/compat_checks.h
diff --git a/chrome/installer/util/compat_checks.h b/chrome/installer/util/compat_checks.h
deleted file mode 100644
index c4892082b36ebbc438d2ede2b4571e8b36ec5261..0000000000000000000000000000000000000000
--- a/chrome/installer/util/compat_checks.h
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright (c) 2006-2009 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.
-
-#ifndef CHROME_INSTALLER_UTIL_COMPAT_CHECKS_H_
-#define CHROME_INSTALLER_UTIL_COMPAT_CHECKS_H_
-
-// Returns true if this computer has a Symantec End Point version that
-// is known to cause trouble. Non- null parameters are only used in testing.
-bool HasIncompatibleSymantecEndpointVersion(const wchar_t* version);
-
-#endif  // CHROME_INSTALLER_UTIL_COMPAT_CHECKS_H_