Updating GHES workflows

ci/dart.yml

@@ -1,41 +0,0 @@
-name: Dart
-
-on:
-  push:
-    branches: [ $default-branch ]
-  pull_request:
-    branches: [ $default-branch ]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    # Note that this workflow uses the latest stable version of the Dart SDK.
-    # Docker images for other release channels - like dev and beta - are also
-    # available. See https://hub.docker.com/r/google/dart/ for the available
-    # images.
-    container:
-      image:  google/dart:latest
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Print Dart SDK version
-        run: dart --version
-
-      - name: Install dependencies
-        run: dart pub get
-
-      # Uncomment this step to verify the use of 'dart format' on each commit.
-      # - name: Verify formatting
-      #   run: dart format --output=none --set-exit-if-changed .
-
-      # Consider passing '--fatal-infos' for slightly stricter analysis.
-      - name: Analyze project source
-        run: dart analyze
-
-      # Your project will need to have tests in test/ and a dependency on
-      # package:test for this step to succeed. Note that Flutter projects will
-      # want to change this to 'flutter test'.
-      - name: Run tests
-        run: dart test

ci/properties/dart.properties.json

@@ -1,6 +0,0 @@
-{
-    "name": "Dart",
-    "description": "Build and test a Dart project with Pub.",
-    "iconName": "dart",
-    "categories": ["Dart"]
-}