max8903: remove unnecessary 'out of memory' error message.

Remove the 'out of memory' error message as it is printed by the core.

Signed-off-by: Chris Lapa <chris@lapa.com.au>

Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
diff --git a/drivers/power/max8903_charger.c b/drivers/power/max8903_charger.c
index 643a87a..9453bbf 100644
--- a/drivers/power/max8903_charger.c
+++ b/drivers/power/max8903_charger.c
@@ -304,10 +304,8 @@
 	}
 
 	data = devm_kzalloc(dev, sizeof(struct max8903_data), GFP_KERNEL);
-	if (data == NULL) {
-		dev_err(dev, "Cannot allocate memory.\n");
+	if (!data)
 		return -ENOMEM;
-	}
 
 	data->pdata = pdev->dev.platform_data;
 	data->dev = dev;