mtd: plat_nand: Remove unnecessary OOM messages

The site-specific OOM messages are unnecessary, because they
duplicate the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/drivers/mtd/nand/plat_nand.c b/drivers/mtd/nand/plat_nand.c
index d00e3a7..4ebed72 100644
--- a/drivers/mtd/nand/plat_nand.c
+++ b/drivers/mtd/nand/plat_nand.c
@@ -55,10 +55,8 @@
 	/* Allocate memory for the device structure (and zero it) */
 	data = devm_kzalloc(&pdev->dev, sizeof(struct plat_nand_data),
 			    GFP_KERNEL);
-	if (!data) {
-		dev_err(&pdev->dev, "failed to allocate device structure.\n");
+	if (!data)
 		return -ENOMEM;
-	}
 
 	data->io_base = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(data->io_base))