Revert "Revert Cert Changes"

This reverts commit 5c5b19c.

Author: Daniel Vaseekaran

config/samples/simplekafkacluster_ssl.yaml

@@ -59,7 +59,7 @@ spec:
         # sslClientAuth defaults to be "required" for two-way SSL authentication, possible values are: "required", "requested", and "none"
         # sslClientAuth: "requested"
     sslSecrets:
-      tlsSecretName: "kafka-ca-certs"
+      tlsSecretName: "kafka-ca-certificate"
       create: true
   cruiseControlConfig:
     # podSecurityContext:

tests/e2e/const.go

@@ -40,7 +40,7 @@ const (
 	testExternalTopicName = "topic-test-external"
 	testInternalTopicName = "topic-test-internal"
 
-	defaultTLSSecretName       = "test-secret"
+	defaultTLSSecretName       = "kafka-ca-certificate"
 	kcatName                   = "kcat"
 	zookeeperKind              = "zookeeperclusters.zookeeper.pravega.io"
 	zookeeperClusterName       = "zookeeper-server"