chore: Remove changelog check and graphql (#2639)

.github/workflows/changelog-check.yml

@@ -1,27 +0,0 @@
-name: Changelog in sync for packages
-
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-jobs:
-  test:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v1
-      - name: Setup Node.js 14.x
-        uses: actions/setup-node@v1
-        with:
-          node-version: 14.x
-      - name: Install and run changelog check
-        run:
-          if [[ $GITHUB_HEAD_REF =~ dependabot || $GITHUB_HEAD_REF == "l10n_master" ]]; then
-          echo "Skipping running changelog check";
-          else
-          npm ci;
-          npm run changelog:check;
-          fi
-        env:
-          CI: true

.github/workflows/codeql-analysis.yml

@@ -1,33 +0,0 @@
-name: "CodeQL"
-
-on:
-  push:
-    branches: [master]
-  pull_request:
-    branches: [master]
-  schedule:
-    - cron: "18 7 * * 0"
-
-jobs:
-  analyze:
-    name: Analyze
-    runs-on: ubuntu-latest
-
-    strategy:
-      fail-fast: false
-      matrix:
-        language: ["typescript"]
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-
-      - name: Initialize CodeQL
-        uses: github/codeql-action/init@v1
-        with:
-          languages: ${{ matrix.language }}
-      - name: Autobuild
-        uses: github/codeql-action/autobuild@v1
-
-      - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v1