davinci: omapl138-lcdk: Remove empty compiler directives

There is an #ifdef with nothing inside it any longer.  This patch
removes this empty #ifdef

Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/board/davinci/da8xxevm/omapl138_lcdk.c b/board/davinci/da8xxevm/omapl138_lcdk.c
index 08881f0..27a51d6 100644
--- a/board/davinci/da8xxevm/omapl138_lcdk.c
+++ b/board/davinci/da8xxevm/omapl138_lcdk.c
@@ -227,10 +227,6 @@
 	return 0;
 }
 
-#ifdef CONFIG_DRIVER_TI_EMAC
-
-#endif /* CONFIG_DRIVER_TI_EMAC */
-
 #define CFG_MAC_ADDR_SPI_BUS	0
 #define CFG_MAC_ADDR_SPI_CS	0
 #define CFG_MAC_ADDR_SPI_MAX_HZ	CONFIG_SF_DEFAULT_SPEED