message: chore: simplify bug template
diff: @@ -14,12 +14,6 @@ labels: t:bug
  ### Expected Behavior
  <!-- A clear and concise description of what you expected to happen. -->
  -### Steps to reproduce
  -<!-- How you encounter the bug? Can you reproduce it now and summarize the steps? -->
  -
  -### Possible Solution
  -<!-- Only if you have suggestions on a fix for the bug -->
  -
  ### Environment
  - **CKB version**: [the output of `ckb --version`]
  @@ -29,13 +23,4 @@ labels: t:bug
  - **Installation**: [GitHub Release, Built from source]
  ### Additional context/Screenshots
  -<!-- Add any other context about the problem here. If applicable, add screenshots to help explain. -->
  -
  -#### Config files
  -
  -<details><summary>ckb.toml</summary>
  -
  -```toml
  -```
  -
  -</details>
  +<!-- Add any other context about the problem here. If applicable, add ckb.toml and screenshots to help explain. -->
  