Fix backticks causing build failures

cr: https://code.amazon.com/reviews/CR-177830334

Author: Harsh Bahua

latest/ug/networking/network-reqs.adoc

@@ -47,7 +47,7 @@ If you created a cluster with [.noloc]`Kubernetes` `1.14` or earlier, Amazon EKS
 |Value
 
 
-|``kubernetes.io/cluster/[.replaceable]`my-cluster```
+|`kubernetes.io/cluster/[.replaceable]``my-cluster```
 |`owned`
 |===
 
@@ -242,7 +242,7 @@ When a [.noloc]`Kubernetes` cluster that's version `1.18` and earlier was create
 |Value
 
 
-|``kubernetes.io/cluster/[.replaceable]`my-cluster```
+|`kubernetes.io/cluster/[.replaceable]``my-cluster```
 |`shared`
 |===
 
@@ -283,4 +283,4 @@ You can use _VPC sharing_ to share subnets with other {aws} accounts within the
 For more information about VPC subnet sharing, see link:vpc/latest/userguide/vpc-sharing.html#vpc-share-limitations[Share your VPC with other accounts,type="documentation"] in the _Amazon VPC User Guide_.
 
 
-📝 https://github.com/search?q=repo%3Aawsdocs%2Famazon-eks-user-guide+%5B%23network-reqs%5D&type=code[Edit this page on GitHub]
+📝 https://github.com/search?q=repo%3Aawsdocs%2Famazon-eks-user-guide+%5B%23network-reqs%5D&type=code[Edit this page on GitHub]