Lands beta changes. (#1006)

.github/workflows/beta.yml

@@ -12,23 +12,6 @@ defaults:
     shell: bash
 
 jobs:
-  flutter-tests:
-    name: Test Flutter ${{ matrix.flutter_version }} on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        flutter_version: [dev, beta]
-        os: [ubuntu-latest, macos-latest, windows-latest]
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-java@v1
-        with:
-          java-version: '12.x'
-      - uses: subosito/flutter-action@4389e6cbc6cb8a4b18c628ff96ff90be0e926aa8
-        with:
-          channel: ${{ matrix.flutter_version }}
-      - run: ./tool/flutter_ci_script_${{ matrix.flutter_version }}.sh
   # Run the stable test script on the beta channel. Since this branch will soon
   # be merged into master as our stable-targeting code, this is the key thing we
   # need to test.