[ic] Clean up handler boilerplate

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.
 
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/dcheck_always_on.gni")
 import("//build/config/mips.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 
@@ skipping 1432 matching lines @@
     "src/heap/spaces-inl.h",
     "src/heap/spaces.cc",
     "src/heap/spaces.h",
     "src/heap/store-buffer.cc",
     "src/heap/store-buffer.h",
     "src/i18n.cc",
     "src/i18n.h",
     "src/ic/access-compiler-data.h",
     "src/ic/access-compiler.cc",
     "src/ic/access-compiler.h",
-    "src/ic/accessor-assembler-impl.h",
     "src/ic/accessor-assembler.cc",
     "src/ic/accessor-assembler.h",
     "src/ic/call-optimization.cc",
     "src/ic/call-optimization.h",
     "src/ic/handler-compiler.cc",
     "src/ic/handler-compiler.h",
     "src/ic/handler-configuration-inl.h",
     "src/ic/handler-configuration.h",
     "src/ic/ic-compiler.cc",
     "src/ic/ic-compiler.h",
@@ skipping 1593 matching lines @@
   ]
 
   configs = [
     ":external_config",
     ":internal_config_base",
   ]
 }
 
 v8_fuzzer("wasm_data_section_fuzzer") {
 }