Revert "add back shell-check"

This reverts commit 7e886f9.

Author: wusatosi

.pre-commit-config.yaml

@@ -33,12 +33,6 @@ repos:
     - id: markdownlint
       exclude: ^papers/
 
-    # Config file: .shellcheckrc
-  - repo: https://github.com/shellcheck-py/shellcheck-py
-    rev: v0.10.0.1
-    hooks:
-      - id: shellcheck
-
     # Config file: .codespell_ignore
   - repo: https://github.com/codespell-project/codespell
     rev: v2.2.6