Fix PVC delete when needed

helpers/create_pvc.sh

@@ -41,7 +41,7 @@ elif [[ $pvc_pending != "Pending" ]]; then
     exit 2
 else
     echo "PVC exists but is pending, deleting then recreating..."
-    kubectl $EXTRA_ARGS delete $pvc_name || fail "Could not delete existing PVC"
+    kubectl $EXTRA_ARGS delete pvc $pvc_name || fail "Could not delete existing PVC"
 fi