Simplify CodeQL workflow

.github/workflows/codeql-analysis.yml

@@ -17,8 +17,6 @@ jobs:
 
     strategy:
       fail-fast: false
-      matrix:
-        language: [ 'python' ]
 
     steps:
     - name: Checkout repository
@@ -27,7 +25,7 @@ jobs:
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3
       with:
-        languages: ${{ matrix.language }}
+        languages: 'python'
 
     - name: Autobuild
       uses: github/codeql-action/autobuild@v3