gpu: ion: Remove redunant code from ion_open

ion_client_create now does a lookup, so this need not
also be done from ion_open

Change-Id: Icb101bbf514bf2e40b4b5d9b320130bf185349aa
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
diff --git a/drivers/gpu/ion/ion.c b/drivers/gpu/ion/ion.c
index f11a566..1c25940 100644
--- a/drivers/gpu/ion/ion.c
+++ b/drivers/gpu/ion/ion.c
@@ -1011,13 +1011,9 @@
 	struct ion_client *client;
 
 	pr_debug("%s: %d\n", __func__, __LINE__);
-	client = ion_client_lookup(dev, current->group_leader);
-	if (IS_ERR_OR_NULL(client)) {
-		/* XXX: consider replacing "user" with cmdline */
-		client = ion_client_create(dev, -1, "user");
-		if (IS_ERR_OR_NULL(client))
-			return PTR_ERR(client);
-	}
+	client = ion_client_create(dev, -1, "user");
+	if (IS_ERR_OR_NULL(client))
+		return PTR_ERR(client);
 	file->private_data = client;
 
 	return 0;