[chore] Remove package.json and package-lock.json from litegraph

Litegraph is no longer a standalone npm package.
Dependencies are managed by frontend's package.json

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/lib/litegraph/package.json

@@ -1,72 +0,0 @@
-{
-  "name": "@comfyorg/litegraph",
-  "version": "0.17.0",
-  "type": "module",
-  "description": "A graph node editor similar to PD or UDK Blueprints. It works in an HTML5 Canvas and allows to export graphs to be included in applications.",
-  "main": "./dist/litegraph.umd.js",
-  "module": "./dist/litegraph.es.js",
-  "types": "./dist/litegraph.d.ts",
-  "style": "./dist/css/litegraph.css",
-  "exports": {
-    ".": {
-      "types": "./dist/litegraph.d.ts",
-      "import": "./dist/litegraph.es.js",
-      "require": "./dist/litegraph.umd.js"
-    },
-    "./style.css": "./dist/css/litegraph.css",
-    "./dist/*": "./dist/*.d.ts"
-  },
-  "directories": {
-    "doc": "doc"
-  },
-  "private": false,
-  "scripts": {
-    "build": "tsc && vite build",
-    "dev": "vite",
-    "preview": "vite preview",
-    "watch": "vite build --watch",
-    "test": "vitest",
-    "lint": "eslint",
-    "lint:fix": "eslint --fix",
-    "lint:ci": "eslint src",
-    "format": "prettier --check './src/*.{js,ts,tsx,vue,mts}'",
-    "format:fix": "prettier --write './src/*.{js,ts,tsx,vue,mts}'",
-    "typecheck": "tsc"
-  },
-  "repository": {
-    "type": "git",
-    "url": "git@github.com:Comfy-Org/litegraph.js.git"
-  },
-  "author": "comfyorg",
-  "license": "MIT",
-  "files": [
-    "dist"
-  ],
-  "bugs": {
-    "url": "https://github.com/Comfy-Org/litegraph.js/issues"
-  },
-  "homepage": "https://github.com/Comfy-Org/litegraph.js",
-  "devDependencies": {
-    "@eslint/js": "^9.21.0",
-    "@stylistic/eslint-plugin": "^2.13.0",
-    "@types/eslint__js": "^8.42.3",
-    "@types/node": "^22.13.9",
-    "eslint": "^9.21.0",
-    "eslint-plugin-antfu": "^3.1.0",
-    "eslint-plugin-jsdoc": "^50.6.3",
-    "eslint-plugin-simple-import-sort": "^12.1.1",
-    "eslint-plugin-unicorn": "^57.0.0",
-    "eslint-plugin-unused-imports": "^4.1.4",
-    "globals": "^15.12.0",
-    "husky": "^9.1.7",
-    "jsdom": "^25.0.1",
-    "lint-staged": "^15.2.10",
-    "prettier": "^3.3.3",
-    "ts-node": "^10.9.2",
-    "typescript": "^5.8.3",
-    "typescript-eslint": "^8.26.0",
-    "vite": "^6.3.5",
-    "vite-plugin-dts": "^4.5.4",
-    "vitest": "^3.1.3"
-  }
-}