removed centos references

Author: asudbring

articles/virtual-network/setup-dpdk.md

@@ -39,7 +39,6 @@ The following distributions from the Azure Marketplace are supported:
 | Ubuntu 18.04 | 4.15.0-1014-azure+           |
 | SLES 15 SP1  | 4.12.14-8.19-azure+          |
 | RHEL 7.5     | 3.10.0-862.11.6.el7.x86_64+  |
-| CentOS 7.5   | 3.10.0-862.11.6.el7.x86_64+  |
 | Debian 10    | 4.19.0-1-cloud+              |
 
 The noted versions are the minimum requirements. Newer versions are supported too.
@@ -68,9 +67,9 @@ DPDK installation instructions for MANA VMs are available here: [Microsoft Azure
 
 ### Install build dependencies
 
-# [RHEL, CentOS](#tab/redhat)
+# [RHEL](#tab/redhat)
 
-#### RHEL7.5/CentOS 7.5
+#### RHEL7.5
 
 ```bash
 yum -y groupinstall "Infiniband Support"
@@ -273,7 +272,7 @@ When you're running the previous commands on a virtual machine, change *IP_SRC_A
 
 ## Install DPDK via system package (not recommended)
 
-# [RHEL, CentOS](#tab/redhat)
+# [RHEL](#tab/redhat)
 
 ```bash
 sudo yum install -y dpdk