Remove automatic npm install feature (#58731)

Author: heiskr

.gitignore

@@ -13,8 +13,7 @@
 # JetBrains IDE files
 .idea/
 
-# Tracks package-lock.json installation state
-.installed.package-lock.json
+
 
 # Linkinator full site link check results
 .linkinator/

package-lock.json

@@ -21,7 +21,6 @@
     "check-github-github-links": "tsx src/links/scripts/check-github-github-links.ts",
     "clone-early-access": "./src/early-access/scripts/clone-locally",
     "clone-translations": "./src/languages/scripts/clone-translations.sh",
-    "cmp-files": "tsx src/workflows/cmp-files.ts",
     "content-changes-table-comment": "tsx src/workflows/content-changes-table-comment.ts",
     "copy-fixture-data": "tsx src/tests/scripts/copy-fixture-data.ts",
     "count-translation-corruptions": "cross-env NODE_OPTIONS=--max-old-space-size=8192 tsx src/languages/scripts/count-translation-corruptions.ts",
@@ -66,7 +65,6 @@
     "openapi-docs": "tsx src/rest/docs.ts",
     "playwright-test": "playwright test --config src/fixtures/playwright.config.ts --project=\"Google Chrome\"",
     "lint-report": "tsx src/content-linter/scripts/lint-report.ts",
-    "postinstall": "cp package-lock.json .installed.package-lock.json && echo \"Updated .installed.package-lock.json\" # see husky/post-checkout and husky/post-merge",
     "precompute-pageinfo": "tsx src/article-api/scripts/precompute-pageinfo.ts",
     "prepare": "husky src/workflows/husky",
     "prettier": "prettier -w \"**/*.{ts,tsx,scss,yml,yaml}\"",