Revert of Add GN targets for samples

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 00ccf656f0987fc6fb46bf0663cdb1b897d40dfb..f3d670daf961bc7bb3c21d10fbe194d3e91fb2c0 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -2254,59 +2254,3 @@
     ":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" ]
-  }
-}