workflow: delete unnecessary workflows

.github/dependabot.yml

@@ -1,25 +0,0 @@
-# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
-version: 2
-updates:
-  - package-ecosystem: gomod
-    directory: /
-    labels:
-      - "🤖 Dependencies"
-    schedule:
-      interval: daily
-    groups:
-      go-modules:
-        patterns:
-          - "*"
-    open-pull-requests-limit: 100
-  - package-ecosystem: github-actions
-    directory: /
-    labels:
-      - "🤖 Dependencies"
-    schedule:
-      interval: daily
-    groups:
-      github-actions:
-        patterns:
-          - "*"
-    open-pull-requests-limit: 100

.github/workflows/cr.yml

@@ -1,22 +0,0 @@
-name: Code Review
-
-permissions:
-  contents: read
-  pull-requests: write
-
-on:
-  pull_request:
-    types: [ opened, reopened, synchronize, labeled ]
-
-jobs:
-  test:
-    if: ${{ contains(github.event.pull_request.labels.*.name, '🚀 Review Ready') }}
-    runs-on: ubuntu-latest
-    steps:
-      - uses: anc95/ChatGPT-CodeReview@main
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
-          OPENAI_API_ENDPOINT: https://api.openai-sb.com/v1
-          MODEL: gpt-3.5-turbo
-          PROMPT: "Below is a code patch, please help me do a brief code review on it. Only answer important bug risks and/or important improvement suggestions, Answer in Chinese and answer must be concisely and short: "