deleteLink 
  Deletes a link between gateways.
Permanently removes the connection between gateways. This action cannot be undone.
Samples
fun main() { 
   //sampleStart 
   // Deletes an existing link
val resp = rtbFabricClient.deleteLink {
    gatewayId = "rtb-gw-12345678"
    linkId = "link-87654321"
} 
   //sampleEnd
}