e2e: use userID and userKey in cephfs tests

This patch removes the deprecated `adminID` and `adminKey`
in favor of `userID` and `userKey` in the CephFS e2e tests.

Signed-off-by: Niraj Yadav <niryadav@redhat.com>

Author: black-dragon74

e2e/cephfs_helper.go

@@ -167,13 +167,8 @@ func createCephfsSecret(f *framework.Framework, secretName, userName, userKey st
 	if secretName != "" {
 		sc.Name = secretName
 	}
-	// TODO: Update the secrets to use userID and userKey once
-	// the version used for upgrade testing does not depend on
-	// adminID and adminKey.
-	sc.StringData["adminID"] = userName
-	sc.StringData["adminKey"] = userKey
-	delete(sc.StringData, "userID")
-	delete(sc.StringData, "userKey")
+	sc.StringData["userID"] = userName
+	sc.StringData["userKey"] = userKey
 	sc.Namespace = cephCSINamespace
 	_, err = f.ClientSet.CoreV1().Secrets(cephCSINamespace).Create(context.TODO(), &sc, metav1.CreateOptions{})