Delete free property from database

        :param argin: Str[0]  = Object name
        Str[1] = Property name
        Str[n] = Property name
        :type: tango.DevVarStringArray
        :return:
        :rtype: tango.DevVoid

def DbDeleteProperty(self, argin):
        """ Delete free property from database

        :param argin: Str[0]  = Object name
        Str[1] = Property name
        Str[n] = Property name
        :type: tango.DevVarStringArray
        :return:
        :rtype: tango.DevVoid """
        self._log.debug("In DbDeleteProperty()")
        obj_name = argin[0]
        for prop_name in argin[1:]:
            self.db.delete_property(obj_name, prop_name)