chore: package cleanup

package.json

@@ -51,16 +51,10 @@
     "scripts/*"
   ],
   "scripts": {
-    "postinstall": "node scripts/postinstall.cjs",
-    "eslint:fix": "eslint '**/*.{js,tsx,ts,mjs,cjs}' --fix",
-    "eslint:report": "eslint '**/*.{js,tsx,ts,mjs,cjs}'",
-    "markdownlint:fix": "markdownlint '**/*.md' --fix",
-    "markdownlint:report": "markdownlint '**/*.md'",
-    "prettier:fix": "prettier '**/*.{js,tsx,ts,json,mjs,cjs}' --write",
-    "prettier:report": "prettier '**/*.{js,tsx,ts,json,mjs,cjs}' --check"
+    "postinstall": "node scripts/postinstall.cjs"
   },
   "dependencies": {
-    "@ivuorinen/config-checker": "^1.1.13",
+    "@ivuorinen/config-checker": "^2.1.1",
     "postcss": "^8.5.6",
     "stylelint": "^16.26.1",
     "stylelint-config-recommended-scss": "^16.0.2",
@@ -69,9 +63,6 @@
     "stylelint-scss": "^6.12.1"
   },
   "devDependencies": {
-    "@ivuorinen/eslint-config": "^0.5.13",
-    "@ivuorinen/markdownlint-config": "^0.3.16",
-    "@ivuorinen/prettier-config": "^0.3.12",
     "@ivuorinen/semantic-release-config": "^0.3.18"
   },
   "packageManager": "yarn@4.12.0",