infiniband: Remove duplicated KERN_<LEVEL> from pr_<level> uses

These KERN_<LEVEL> uses are unnecessary with pr_<level> and cause
bad logging output so remove them.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 57070c5..cc64400 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1569,8 +1569,7 @@
 			       MLX4_CMD_TIME_CLASS_B,
 			       MLX4_CMD_WRAPPED);
 		if (err)
-			pr_warn(KERN_WARNING
-				"set port %d command failed\n", gw->port);
+			pr_warn("set port %d command failed\n", gw->port);
 	}
 
 	mlx4_free_cmd_mailbox(dev, mailbox);