Staging: gpib: gpib_os.c - Remove unnecessary OOM message

It dublicate the MM subsystem generic OOM message. This patch fixes
the following checkpatch warning.

	WARNING: Possible unnecessary 'out of memory' message

Signed-off-by: Omer Faruk BULUT <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: KaruF

drivers/staging/gpib/common/gpib_os.c

@@ -2099,10 +2099,9 @@ void gpib_register_driver(gpib_interface_t *interface, struct module *provider_m
 	struct gpib_interface_list_struct *entry;
 
 	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
-	if (!entry) {
-		pr_err("gpib: failed register %s interface, out of memory\n", interface->name);
+	if (!entry)
 		return;
-	}
+
 	entry->interface = interface;
 	entry->module = provider_module;
 	list_add(&entry->list, &registered_drivers);