thou HK is nothing to do with the UK, on the application form your asked about travel history..

6.6 Have you ever been deported, removed or otherwise Yes No If ‘Yes’ please provide details
required to leave any country, including the UK in the last
10 years?


you have to be honest about what happened, i think you would have a better chance if you were married in the phils and applying for a settlement visa , rather than a fiancee visa.