Removes wrong k8scluster tag on K8S-04 test, as all tests on the same file are tagged as openldap only

Change-Id: I9d20bcc5cb02f46bf039fcb6c0217c93753bc700
Signed-off-by: garciaale <agarcia@whitestack.com>
diff --git a/robot-systest/testsuite/k8s_04-openldap_helm.robot b/robot-systest/testsuite/k8s_04-openldap_helm.robot
index 8df02f7..d7aa177 100644
--- a/robot-systest/testsuite/k8s_04-openldap_helm.robot
+++ b/robot-systest/testsuite/k8s_04-openldap_helm.robot
@@ -43,7 +43,7 @@
     Create NSD   '%{PACKAGES_FOLDER}/${nsd_pkg}'
 
 Add K8s Cluster To OSM
-    [Tags]   openldap k8scluster   sanity   regression
+    [Tags]   openldap   sanity   regression
     Create K8s Cluster  %{K8S_CREDENTIALS}  ${k8scluster_version}  %{VIM_TARGET}  %{VIM_MGMT_NET}  ${k8scluster_name}
 
 Create Network Service Instance
@@ -56,7 +56,7 @@
     Delete NS   ${ns_name}
 
 Remove K8s Cluster from OSM
-    [Tags]   openldap k8scluster   sanity   regression
+    [Tags]   openldap   sanity   regression
     Delete K8s Cluster  ${k8scluster_name}
 
 Delete NS Descriptor Test