Fix examples for newer kubectl (#9045)

content/en/docs/tasks/security/authentication/authn-policy/index.md

@@ -72,7 +72,7 @@ Verify there is no peer authentication policy in the system with the following c
 
 {{< text bash >}}
 $ kubectl get peerauthentication --all-namespaces
-No resources found.
+No resources found
 {{< /text >}}
 
 Last but not least, verify that there are no destination rules that apply on the example services. You can do this by checking the `host:` value of

content/en/docs/tasks/security/authentication/authn-policy/snips.sh

@@ -65,7 +65,7 @@ kubectl get peerauthentication --all-namespaces
 }
 
 ! read -r -d '' snip_setup_4_out <<\ENDSNIP
-No resources found.
+No resources found
 ENDSNIP
 
 snip_setup_5() {

content/en/docs/tasks/security/authentication/mtls-migration/index.md

@@ -73,12 +73,12 @@ the policies to enforce STRICT mutual TLS between the workloads.
 
     {{< text bash >}}
     $ kubectl get peerauthentication --all-namespaces
-    No resources found.
+    No resources found
     {{< /text >}}
 
     {{< text bash >}}
     $ kubectl get destinationrule --all-namespaces
-    No resources found.
+    No resources found
     {{< /text >}}
 
     {{< /tip >}}

content/en/docs/tasks/security/authentication/mtls-migration/snips.sh

@@ -52,7 +52,7 @@ kubectl get peerauthentication --all-namespaces
 }
 
 ! read -r -d '' snip_set_up_the_cluster_4_out <<\ENDSNIP
-No resources found.
+No resources found
 ENDSNIP
 
 snip_set_up_the_cluster_5() {
@@ -60,7 +60,7 @@ kubectl get destinationrule --all-namespaces
 }
 
 ! read -r -d '' snip_set_up_the_cluster_5_out <<\ENDSNIP
-No resources found.
+No resources found
 ENDSNIP
 
 snip_lock_down_to_mutual_tls_by_namespace_1() {