rtc/: Remove obsolete references to CONFIG_COMMANDS

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/rtc/mc146818.c b/rtc/mc146818.c
index 3a29d06..bbb6486 100644
--- a/rtc/mc146818.c
+++ b/rtc/mc146818.c
@@ -31,7 +31,7 @@
 #include <command.h>
 #include <rtc.h>
 
-#if defined(CONFIG_RTC_MC146818) && ((CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_CMD_DATE))
+#if defined(CONFIG_RTC_MC146818) && defined(CONFIG_CMD_DATE)
 
 static uchar rtc_read  (uchar reg);
 static void  rtc_write (uchar reg, uchar val);