Update README.md

README.md

@@ -29,13 +29,7 @@ This is an example of how to list things you need to use the software and how to
   npm install npm@latest -g
   ```
 
-### Installation
-
-_Below is an example of how you can instruct your audience on installing and setting up your app. This template doesn't rely on any external dependencies or services._
-
-1. Get a free API Key at [https://example.com](https://example.com)
-
-## Database configuration
+### Database configuration
 optimize MariaDB configuration through this path .
  ```sh
   /etc/mysql/mariadb.conf.d/50-server.cnf