chore: remove irrelevant info

README.md

@@ -22,8 +22,6 @@ To implement that, **end-to-end encryption** was chosen. Before using the applic
 > [!NOTE]
 > The **encryption keys** for rooms are stored **on the client only**. They're **not being sent to the server**.
 
-This **API's role** is **to transfer** and **store** the encrypted data.
-
 ## 🌠 Features
 Besides that, **Colir** **has** a couple of **features**, which can interest you in:
 - **Rooms** are places where the encrypted communication happens. When a user **creates** a room, he/she chooses an **encryption key** (which will be stored at the client) and receives a **room GUID**. **They can share that GUID** with someone else so they **can join** that room. **Anyone** who has **the GUID** of a certain room **can join** it, but it will be **impossible to decrypt** the data **if** the **wrong encryption** key was provided.