dvbpsi: do not print a message if message type is DVBPSI_MSG_NONE

This value is documented as '/*!< No messages */'

modules/mux/mpeg/dvbpsi_compat.h

@@ -74,7 +74,6 @@ static void dvbpsi_messages(dvbpsi_t *p_dvbpsi, const dvbpsi_msg_level_t level,
         case DVBPSI_MSG_ERROR: msg_Err( obj, "%s", msg ); break;
         case DVBPSI_MSG_WARN:  msg_Warn( obj, "%s", msg ); break;
         case DVBPSI_MSG_DEBUG: msg_Dbg( obj, "%s", msg ); break;
-        default: msg_Info( obj, "%s", msg ); break;
     }
 }
 #endif