The auth plugin defaults to pwd

Author: ohsayan

docs/2.installation.md

@@ -22,14 +22,13 @@ To use native binaries you need to download a bundle which is simply a ZIP file
 3. **Start up the server**. You need to choose a `root` password for the `root` account which will have complete control over the database.
 
     ```bash
-    ./skyd --auth-root-password=<your root password> --auth-plugin=pwd
+    ./skyd --auth-root-password=<your root password>
     ```
 
     **Replace with your own secure password!**
 
     Explanation:
     - `--auth-root-password`: sets the root password
-    - `--auth-plugin`: sets the authentication plugin to `pwd` which is a simple password based authentication system
 
 The server starts up at `localhost:2003` and is ready to run queries.