Update 'Getting Started'

Getting-Started.md

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 ## **What is a Bastion Host?**
 
 A bastion host is a special-purpose computer on a network specifically designed and configured to withstand attacks. There are two common network configurations that include bastion hosts and their placement.
@@ -9,8 +8,6 @@ The first requires two firewalls, with bastion hosts sitting between the first "
 
 You can use the referral badge below to get started with a $100 credit from Digital Ocean or use this link to [DigitalOcean](https://m.do.co/c/42cf2120197b).
 
-[![DigitalOcean Referral Badge](https://web-platforms.sfo2.cdn.digitaloceanspaces.com/WWW/Badge%201.svg)](https://www.digitalocean.com/?refcode=42cf2120197b&utm_campaign=Referral_Invite&utm_medium=Referral_Program&utm_source=badge)
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 ### **DigitalOcean VPC**
 
 On 7 April, 2020, the VPC service replaced the Private Networking service on DigitalOcean.