remove extra source files (#8052)

BUILD.gn

@@ -5,18 +5,6 @@
 import("$flutter_root/common/config.gni")
 import("//third_party/dart/build/dart/dart_action.gni")
 
-# Temporary snapshot copy rules until we can use the full SDK.
-_flutter_sdk_snapshots = [
-  [
-    "dart2js",
-    "//third_party/dart/utils/compiler:dart2js",
-  ],
-  [
-    "kernel_worker",
-    "//third_party/dart/utils/bazel:kernel_worker",
-  ],
-]
-
 group("flutter") {
   testonly = true
 
@@ -37,12 +25,7 @@ group("flutter") {
         "$flutter_root/frontend_server",
         "//third_party/dart:create_sdk",
         "$flutter_root/lib/stub_ui:stub_ui",
-        ":dart2js_platform_files",
-        ":flutter_dartdevc_kernel_sdk",
       ]
-      foreach(snapshot, _flutter_sdk_snapshots) {
-        public_deps += [ ":copy_flutter_${snapshot[0]}_snapshot" ]
-      }
     }
   }
 
@@ -81,66 +64,3 @@ group("dist") {
     "$flutter_root/sky/dist",
   ]
 }
-
-foreach(snapshot, _flutter_sdk_snapshots) {
-  copy("copy_flutter_${snapshot[0]}_snapshot") {
-    deps = [
-      snapshot[1],
-    ]
-    sources = [
-      "$root_gen_dir/${snapshot[0]}.dart.snapshot",
-    ]
-    outputs = [
-      "$root_out_dir/dart-sdk/bin/snapshots/flutter_{{source_file_part}}",
-    ]
-  }
-}
-
-copy("dart2js_platform_files") {
-  deps = [
-    "//third_party/dart/utils/compiler:compile_dart2js_platform"
-  ]
-
-  sources = [
-    "$root_out_dir/dart2js_outline.dill",
-    "$root_out_dir/dart2js_platform.dill",
-  ]
-
-  outputs = [
-    "$root_out_dir/flutter_patched_sdk/{{source_file_part}}",
-  ]
-}
-
-
-prebuilt_dart_action("flutter_dartdevc_kernel_sdk") {
-  deps = [
-     "//third_party/dart:create_sdk",
-  ]
-
-  packages = "//third_party/dart/.packages"
-
-  script = "//third_party/dart/pkg/dev_compiler/tool/kernel_sdk.dart"
-
-  inputs = [
-    "//third_party/dart/pkg/dev_compiler/tool/kernel_sdk.dart",
-  ]
-
-  outputs = [
-    "$target_gen_dir/kernel/amd/dart_sdk.js",
-    "$target_gen_dir/kernel/amd/dart_sdk.js.map",
-    "$target_gen_dir/kernel/common/dart_sdk.js",
-    "$target_gen_dir/kernel/common/dart_sdk.js.map",
-    "$target_gen_dir/kernel/es6/dart_sdk.js",
-    "$target_gen_dir/kernel/es6/dart_sdk.js.map",
-    "$target_gen_dir/kernel/legacy/dart_sdk.js",
-    "$target_gen_dir/kernel/legacy/dart_sdk.js.map",
-  ]
-
-  libraries_path = rebase_path("$flutter_root/lib/snapshot/libraries.json")
-  output_path = rebase_path("$target_gen_dir/kernel/flutter_ddc_sdk.dill")
-
-  args = [
-    "--output=$output_path",
-    "--libraries=$libraries_path",
-  ]
-}