docs: part 8.4-1

docs/developers/1_overview.md

@@ -9,9 +9,6 @@ It provides a unified and efficient way of building UI that is well-integrated w
 ## 📂 Structure
 We structure our code to use [MVVM architecture](https://developer.android.com/topic/libraries/architecture/viewmodel) for easier maintenance of the code. 
 
-* **Model**: responsible for retrieving & storing data as well as performing calculations and other operations
-* **View**: responsible for displaying the UI to the user, and send inputs to **ViewModel**
-* **ViewModel**: responsible for receiving inputs from **View** and send it to **Model** then update the result
 
 ## 🧑‍💻 Code readability
 In order to maintain readability of the code, It's highly recommend that you follow