Remove optional Allure reporting instructions from README.md

Author: AminaSaoudi

README.md

@@ -50,19 +50,6 @@ newman run "postman/JSONPlaceholder API Contract Tests.postman_collection.json"
   -e "postman/Development Environment.json"
 ```
 
-### 3. Run with Allure Report (Optional)
-
-```bash
-npm install newman-reporter-allure allure-commandline
-
-newman run "postman/JSONPlaceholder API Contract Tests.postman_collection.json" \
-  -e "postman/Development Environment.json" \
-  -r allure
-
-allure generate allure-results --clean -o allure-report
-allure open allure-report
-```
-
 ---
 
 ## 🌐 API Under Test