net: mvneta: Don't check for CONFIG_PHYLIB

Drop checking for CONFIG_PHYLIB in mvneta, this is already done in
Kconfig.

Signed-off-by: Marek BehĂșn <marek.behun@nic.cz>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/drivers/net/mvneta.c b/drivers/net/mvneta.c
index 5c3f712..0ec9d29 100644
--- a/drivers/net/mvneta.c
+++ b/drivers/net/mvneta.c
@@ -40,10 +40,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if !defined(CONFIG_PHYLIB)
-# error Marvell mvneta requires PHYLIB
-#endif
-
 #define CONFIG_NR_CPUS		1
 #define ETH_HLEN		14	/* Total octets in header */