Let timedate1 to decide on setting time in NTP mode

In NTP mode, let timedate1 to set BMC time, for now, it results in
error.

Change-Id: I2d78cdcfe6868642f43198dd932b20b13fd8523d
Signed-off-by: Lei YU <mine260309@gmail.com>
diff --git a/bmc_epoch.cpp b/bmc_epoch.cpp
index 4c8bf60..bb3872b 100644
--- a/bmc_epoch.cpp
+++ b/bmc_epoch.cpp
@@ -95,21 +95,15 @@
     /*
         Mode  | Owner | Set BMC Time
         ----- | ----- | -------------
-        NTP   | BMC   | Not allowed
+        NTP   | BMC   | Fail to set
         NTP   | HOST  | Not allowed
-        NTP   | SPLIT | Not allowed
-        NTP   | BOTH  | Not allowed
+        NTP   | SPLIT | Fail to set
+        NTP   | BOTH  | Fail to set
         MANUAL| BMC   | OK
         MANUAL| HOST  | Not allowed
         MANUAL| SPLIT | OK
         MANUAL| BOTH  | OK
     */
-    if (timeMode == Mode::NTP)
-    {
-        log<level::ERR>("Setting BmcTime with NTP mode is not allowed");
-        // TODO: throw NotAllowed exception
-        return 0;
-    }
     if (timeOwner == Owner::Host)
     {
         log<level::ERR>("Setting BmcTime with HOST owner is not allowed");