QL: Remove codeql-action placeholder file

(Didn't get code scanning set up, so this file doesn't do anything useful)

.github/workflows/codeql-analysis.yml

@@ -1,63 +0,0 @@
-name: "CodeQL action"
-
-on:
-  push:
-    branches: [main]
-  pull_request:
-    branches: [main]
-  schedule:
-    - cron: "15 0 * * 2"
-  workflow_dispatch:
-
-jobs:
-  prepare:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-
-      - name: Fetch CodeQL
-        run: |
-          LATEST=$(gh release list --repo https://github.com/github/codeql-cli-binaries | cut -f 1 | sort --version-sort | tail -1)
-          gh release download --repo https://github.com/github/codeql-cli-binaries --pattern codeql-linux64.zip "$LATEST"
-          unzip -q codeql-linux64.zip
-        env:
-          GITHUB_TOKEN: ${{ github.token }}
-
-      - uses: actions/cache@v2
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            target
-          key: ${{ runner.os }}-qltest-cargo-${{ hashFiles('**/Cargo.lock') }}
-
-      - name: Build Extractor
-        run: env "PATH=$PATH:${{ github.workspace }}/codeql" ./create-extractor-pack.sh
-# TODO
-
-#  analyze:
-#    name: Analyze
-#    runs-on: ubuntu-latest
-#    permissions:
-#      actions: read
-#      contents: read
-#      security-events: write
-#
-#    strategy:
-#      fail-fast: false
-#      matrix:
-#        language: ["ql"]
-#
-#    steps:
-#      - name: Initialize CodeQL
-#        uses: github/codeql-action/init@v1
-#        with:
-#          languages: ${{ matrix.language }}
-#          tools: extractor-pack
-#
-#      - name: Autobuild
-#        uses: github/codeql-action/autobuild@v1
-#
-#      - name: Perform CodeQL Analysis
-#        uses: github/codeql-action/analyze@v1