Hong Kong has typically been a top destination for a long weekend break for Singaporeans, but many are giving the city a miss this weekend as anti-government protests continue into their 21st week.Deepavali, the Hindu festival of lights, falls on Sunday and Monday is a public holiday in Singapore.For the first time since opening some five decades ago, Singapore-based tour agency Nam Ho Travel does not have any tour bookings to Hong Kong for the long weekend. During previous long weekends, it…