CI: remove code scanning again

And just fail normally in the job if anything is found.
I can't get the code scanning to fail a check somehow.

.github/workflows/test.yml

@@ -53,12 +53,6 @@ jobs:
           persist-credentials: false
 
       - name: Run zizmor
-        run: pipx run zizmor --format sarif . > results.sarif
+        run: pipx run zizmor .
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Upload SARIF file
-        uses: github/codeql-action/upload-sarif@v3
-        with:
-          sarif_file: results.sarif
-          category: zizmor