Update package.json

Author: SilanHe

lambda-durable-functions-testing-sdk-js/package.json

@@ -14,7 +14,6 @@
     "lint": "eslint",
     "pretest": "npm run lint",
     "test": "jest --config jest.config.mjs --collectCoverage --collectCoverageFrom=src/**/*.{ts,js}",
-    "posttest": "generate-coverage-data --language typescript",
     "start-server": "tsx src/checkpoint-server/server.ts",
     "prepare": "husky install"
   },