Removes given action from given category.

        :param category: Category to remove the action from.
        :type category: unicode
        :param name: Action name.
        :type name: unicode
        :return: Method success.
        :rtype: bool

def remove_from_category(self, category, name):
        """
        Removes given action from given category.

        :param category: Category to remove the action from.
        :type category: unicode
        :param name: Action name.
        :type name: unicode
        :return: Method success.
        :rtype: bool
        """

        category = self.get_category(category)
        if not isinstance(category, dict):
            return False

        del (category[name])
        LOGGER.debug("> Removed '{0}' action from '{1}' category!".format(category, name))
        return True