Remove the syzygy optimization code.

build/config/compiler/compiler.gni

 # Copyright 2015 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.
 
 import("//build/config/android/config.gni")
 import("//build/config/chrome_build.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/toolchain/goma.gni")
 import("//build/toolchain/toolchain.gni")
@@ skipping 47 matching lines @@
   # Whether or not the official builds should be built with full WPO. Enabled by
   # default for the PGO and the x64 builds.
   if (chrome_pgo_phase > 0) {
     full_wpo_on_official = true
   } else {
     full_wpo_on_official = false
   }
 }
 
 declare_args() {
-  # Generate Syzygy optimized binaries. Syzygy optimize mode is a profile
-  # guided optimization that reorders code for better locality.
-  syzygy_optimize = is_win && target_cpu == "x86" && is_official_build &&
-                    !is_clang && !is_win_fastlink && !is_syzyasan
-}
-
-declare_args() {
   # Whether to use the gold linker from binutils instead of lld or bfd.
   use_gold = !use_lld && !(is_chromecast && is_linux &&
                            (current_cpu == "arm" || current_cpu == "mipsel")) &&
              ((is_linux && (current_cpu == "x64" || current_cpu == "x86" ||
                             current_cpu == "arm" || current_cpu == "mipsel")) ||
               (is_android && (current_cpu == "x86" || current_cpu == "x64" ||
                               current_cpu == "arm" || current_cpu == "arm64")))
 }
 
 # If it wasn't manually set, set to an appropriate default.
@@ skipping 22 matching lines @@
     symbol_level = 0
   }
 }
 
 # Assert that the configuration isn't going to hit https://crbug.com/648948.
 assert(ignore_elf32_limitations || !is_android || android_64bit_target_cpu ||
            is_component_build || symbol_level < 2 || is_clang,
        "Android 32-bit non-component, non-clang builds cannot have " +
            "symbol_level=2 due to 4GiB file size limit, see " +
            "https://crbug.com/648948")