Revert of Add GN targets for samples

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/mips.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 
 if (is_android) {
@@ skipping 2236 matching lines @@
 
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [ "//build/config/compiler:no_chromium_code" ]
   configs += [
     ":internal_config",
     ":libplatform_config",
     ":features",
     ":toolchain",
   ]
 }
-
-executable("hello-world") {
-  sources = [
-    "samples/hello-world.cc",
-  ]
-
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-  configs += [
-    # Note: don't use :internal_config here because this target will get
-    # the :external_config applied to it by virtue of depending on :v8, and
-    # you can't have both applied to the same target.
-    ":internal_config_base",
-    ":features",
-    ":toolchain",
-  ]
-
-  deps = [
-    ":v8",
-    ":v8_libplatform",
-    "//build/config/sanitizers:deps",
-    "//build/win:default_exe_manifest",
-  ]
-
-  if (v8_enable_i18n_support) {
-    deps += [ "//third_party/icu" ]
-  }
-}
-
-executable("process") {
-  sources = [
-    "samples/process.cc",
-  ]
-
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-  configs += [
-    # Note: don't use :internal_config here because this target will get
-    # the :external_config applied to it by virtue of depending on :v8, and
-    # you can't have both applied to the same target.
-    ":internal_config_base",
-    ":features",
-    ":toolchain",
-  ]
-
-  deps = [
-    ":v8",
-    ":v8_libplatform",
-    "//build/config/sanitizers:deps",
-    "//build/win:default_exe_manifest",
-  ]
-
-  if (v8_enable_i18n_support) {
-    deps += [ "//third_party/icu" ]
-  }
-}