message: chore: simplify the issue template
diff: ---
  name: Bug report
  about: Create a report to help us improve
  +labels: t:bug
  ---
  -**Describe the bug**
  -A clear and concise description of what the bug is.
  -
  -**To Reproduce**
  -Steps to reproduce the behavior:
  -1. Go to '...'
  -2. Click on '....'
  -3. Scroll down to '....'
  -4. See error
  -
  -**Expected behavior**
  -A clear and concise description of what you expected to happen.
  +**Environment**
  -**Screenshots**
  -If applicable, add screenshots to help explain your problem.
  +- **CKB version**: output of `ckb --version`
  +- **Chain**: dev / testnet / ...
  +- **Operating system**: Linux / macOS / Windows
  +- **Arch**: x64
  +- **Installation**: GitHub Release / Built from source
  -**Environment**
  - - OS: [e.g. Ubuntu]
  - - Version [e.g. v0.1.0]
  +**Describe the bug**
  -**Additional context**
  -Add any other context about the problem here.
  +_Your issue description goes here below. Try to include **actual** vs. **expected behavior** and **steps to reproduce** the issue._
  