Modify CodeQL workflow to omit Hack for C++ scan (#4045)

Author: rzuckerm

.github/workflows/codeql-analysis.yml

@@ -110,9 +110,13 @@ jobs:
         java-version: '23'
 
     - name: Remove ignored paths
-      if: ${{ github.event_name == 'pull-request' }}
+      if: ${{ github.event_name == 'pull_request' }}
       run: rm -f ${{ matrix.paths-ignore }}
 
+    - name: Remove Hack if C++
+      if: ${{ matrix.language == 'cpp' }}
+      run: rm -rf archive/h/hack
+
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3