staging: kpc2000: remove unnecessary oom message in core.c

Fixes checkpatch.pl warning "Possible unnecessary 'out of memory'
message".
Signed-off-by: Simon Sandström <simon@nikanor.nu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/kpc2000/kpc2000/core.c

@@ -319,11 +319,8 @@ static int kp2000_pcie_probe(struct pci_dev *pdev,
 	 * Step 1: Allocate a struct for the pcard
 	 */
 	pcard = kzalloc(sizeof(struct kp2000_device), GFP_KERNEL);
-	if (!pcard) {
-		dev_err(&pdev->dev,
-			"probe: failed to allocate private card data\n");
+	if (!pcard)
 		return -ENOMEM;
-	}
 	dev_dbg(&pdev->dev, "probe: allocated struct kp2000_device @ %p\n",
 		pcard);