Revert of Add GN targets for samples (patchset #1 id:1 of...

Revert of Add GN targets for samples (patchset #1 id:1 of https://codereview.chromium.org/1955723003/ )

Reason for revert:
Blocks roll: https://codereview.chromium.org/1956223002/

Original issue's description:
> Add GN targets for samples
>
> BUG=chromium:609107
> R=machenbach@chromium.org
> LOG=n
>
> Committed: https://crrev.com/19a8e09cc0bafa5071c52243234bfc8512210065
> Cr-Commit-Position: refs/heads/master@{#36072}

TBR=machenbach@chromium.org,jochen@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:609107
LOG=n

Review-Url: https://codereview.chromium.org/1955353002
Cr-Commit-Position: refs/heads/master@{#36096}

BUILD.gn

@@ -2254,59 +2254,3 @@ source_set("wasm_asmjs_fuzzer") {
     ":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" ]
-  }
-}