remove unnecessary files

.gitignore

@@ -1,3 +0,0 @@
-.DS_Store
-.idea
-.devcontainer

.pre-commit-config.yaml

@@ -1,20 +0,0 @@
-repos:
-  - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v5.0.0
-    hooks:
-      - id: trailing-whitespace
-        args: ["--markdown-linebreak-ext=md,markdown"]
-        exclude: \.svg$
-      - id: end-of-file-fixer
-        exclude: \.svg$
-      - id: check-yaml
-      - id: double-quote-string-fixer
-        exclude: \.svg$
-  - repo: https://github.com/gitleaks/gitleaks
-    rev: v8.26.0
-    hooks:
-      - id: gitleaks
-  - repo: https://github.com/thoughtworks/talisman
-    rev: v1.37.0
-    hooks:
-      - id: talisman-commit