Remove VAC feature gate flag from test

Change-Id: I89e16dd4c1b15b60210a3ed5099290529379728c

Author: nathanielford

test/run-k8s-integration-ci.sh

@@ -124,7 +124,7 @@ else
 fi
 
 if [ "$test_volumeattributesclass" = true ]; then
-  base_cmd="${base_cmd} --volumeattributesclass-files=hdb-volumeattributesclass.yaml --storageclass-for-vac-file=sc-hdb.yaml --kube-runtime-config=api/all=true"
+  base_cmd="${base_cmd} --volumeattributesclass-files=hdb-volumeattributesclass.yaml --storageclass-for-vac-file=sc-hdb.yaml"
   if [ "$deployment_strategy" = "gce" ]; then
     base_cmd="${base_cmd} --kube-feature-gates=VolumeAttributesClass=true"
   fi