Remove GYP annotations from third_party GN files.

third_party/android_crazy_linker/BUILD.gn

 # Copyright 2014 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.
 
 config("crazy_config") {
   include_dirs = [ "src/include" ]
   libs = [
     "log",
     "dl",
   ]
 }
 
-# GYP: //third_party/android_crazy_linker/crazy_linker.gyp:crazy_linker
 source_set("android_crazy_linker") {
   sources = [
     "src/src/crazy_linker_api.cpp",
     "src/src/crazy_linker_ashmem.cpp",
     "src/src/crazy_linker_debug.cpp",
     "src/src/crazy_linker_elf_loader.cpp",
     "src/src/crazy_linker_elf_relocations.cpp",
     "src/src/crazy_linker_elf_relro.cpp",
     "src/src/crazy_linker_elf_symbols.cpp",
     "src/src/crazy_linker_elf_view.cpp",
@@ skipping 14 matching lines @@
     "src/src/linker_phdr.cpp",
   ]
 
   include_dirs = [ "src/src" ]
   defines = [ "CRAZY_DEBUG=0" ]
 
   public_configs = [ ":crazy_config" ]
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [ "//build/config/compiler:no_chromium_code" ]
 }