Update high-availability-keepalived.md

Co-authored-by: Mike Jang <[email protected]>

Author: MV1205

content/nginx/deployment-guides/amazon-web-services/high-availability-keepalived.md

@@ -89,9 +89,7 @@ Allocate an Elastic IP address and remember its ID. For detailed instructions, s
    - On CentOS systems:
 
       ```shell
-
      sudo yum install keepalived wget
-
      ```
 
 2. Follow the instructions in the [AWS documentation](https://docs.aws.amazon.com/cli/latest/userguide/installing.html) to install the AWS CLI.