ci: remove unnecessary matrix from codeql workflow (#22239)

.github/workflows/codeql.yml

@@ -13,11 +13,6 @@ jobs:
       contents: read
       security-events: write
 
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ 'cpp' ]
-
     steps:
     - name: Checkout repository
       uses: actions/checkout@v3
@@ -28,10 +23,9 @@ jobs:
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2
       with:
-        languages: ${{ matrix.language }}
+        languages: cpp
 
-    - if: matrix.language == 'cpp'
-      run: make
+    - run: make
 
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v2