Apply suggestions from code review

Co-authored-by: Benedikt Rollik <[email protected]>

Author: RoRoJ

network/ipam/reference-content/ipv6.mdx

@@ -33,7 +33,7 @@ The following products support IPv6:
 
 ### Instances and IPv6
 
-Scaleway Instances are compatible with IPv6, with the caveat that the Instance must be using [routed IPs](/compute/instances/concepts/#routed-flexible-ip). Recently created Instances use routed IPs by default, older Instances may need to be [moved manually to routed IPs](/compute/instances/how-to/migrate-routed-ips/).
+Scaleway Instances are compatible with IPv6, with the caveat that the Instance must be using [routed IPs](/compute/instances/concepts/#routed-flexible-ip). 
 
 #### Public IPv6