chore(action): Clean up dead code

Leave clear instructions on what to do if the Autobuild step breaks.

.github/workflows/codeql-analysis.yml

@@ -67,16 +67,13 @@ jobs:
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl
 
-    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following four lines
     #    and modify them (or add more) to build your code if your project
     #    uses a compiled language
-
     #- name: Build
     #  run: |
-    #   ./autogen.sh
     #   ./configure
     #   make
-    #   make check
 
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v1