update server.md to remove .env doc

Author: Mofizur Rahman

docs/overview.md

@@ -51,8 +51,8 @@ This has a file structure as follows:
 
 We will fill it out in the next few tutorials.
 
-1. Build a backend server for a video conference app
-2. Build a preview page for the app
+1. Build a backend server
+2. Add a preview page for the app
 3. Start a video call
 4. Add call controls
 5. Add Screen Sharing

docs/server.md

@@ -17,12 +17,8 @@ If you don't already have it, [create your Video API account](https://tokbox.com
 npm init -y
 npm install opentok express dotenv
 touch index.js
-touch .env
 ```
 
-Populate the `.env` file with your `API_KEY` and `API_SECRET`. You can look at `.env.example` for an example.
-
-
 We will also install `nodemon` to automatically restart the server when we make changes.
 
 ```bash