ci: remove code-review workflow

.github/workflows/code-review.yml

@@ -1,23 +0,0 @@
-name: Code Review
-on:
-  pull_request:
-permissions:
-  contents: read
-jobs:
-  code-review:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      pull-requests: read
-    steps:
-      - name: Harden Runner
-        uses: step-security/harden-runner@5c7944e73c4c2a096b17a9cb74d65b6c2bbafbde # v2.9.1
-        with:
-          disable-sudo: true
-          egress-policy: block
-          allowed-endpoints: >
-            api.github.com:443
-            int.api.stepsecurity.io:443
-
-      - name: Code Review
-        uses: step-security/ai-codewise@int