Prevent syncd from stopping swss in the presence of SAI failures in s…

…ynchronous mode (sonic-net#653)

* Prevent syncd from stopping swss in the presence of SAI failures in synchronous mode

* Remove TODO message

* Update log message

syncd/Syncd.cpp

@@ -1244,16 +1244,7 @@ void Syncd::sendApiResponse(
 
     if (status != SAI_STATUS_SUCCESS)
     {
-        /*
-         * TODO: If api fill fail in sync mode, we need to take some actions to
-         * handle that, and those are not trivial tasks:
-         *
-         * - in case create fail, remove object from redis database
-         * - in case remove fail, bring back removed object to database
-         * - in case set fail, bring back previous value if it was set
-         */
-
-        SWSS_LOG_THROW("api %s failed in syncd mode: %s, FIXME",
+        SWSS_LOG_ERROR("api %s failed in syncd mode: %s",
                     sai_serialize_common_api(api).c_str(),
                     sai_serialize_status(status).c_str());
     }