Update virtual-network-bandwidth-testing.md

Remove CentOS references.

Author: fossygirl

articles/virtual-network/virtual-network-bandwidth-testing.md

@@ -12,9 +12,6 @@ ms.author: allensu
 
 # Test VM network throughput by using NTTTCP
 
-> [!CAUTION]
-> This article references CentOS, a Linux distribution that is End Of Life (EOL) status. Please consider your use and plan accordingly. For more information, see the [CentOS End Of Life guidance](/azure/virtual-machines/workloads/centos/centos-end-of-life).
-
 This article describes how to use the free NTTTCP tool from Microsoft to test network bandwidth and throughput performance on Azure Windows or Linux virtual machines (VMs). A tool like NTTTCP targets the network for testing and minimizes the use of other resources that could affect performance.
 
 ## Prerequisites
@@ -146,14 +143,6 @@ To measure throughput from Linux machines, use [NTTTCP-for-Linux](https://github
 
 1. Prepare both the sender and receiver VMs for NTTTCP-for-Linux by running the following commands, depending on your distro:
 
-   - For **CentOS**, install `gcc` , `make` and `git`.
-
-     ``` bash
-     sudo yum install gcc -y
-     sudo yum install git -y
-     sudo yum install make -y
-     ```
-
    - For **Ubuntu**, install `build-essential` and `git`.
 
      ```bash