Han's mystery removes buffs/shields. You can tell what are those when the match starts, you have a series of different cassts on the left side of the screen for you and on the right for opponent. Since AF's healing tips isn't placed there, its not a buff. You can consider it a passive, like lightning/fire main's leech, guy's leech, asuma wb's passive that increases dmg when at full hp, the lsit goes on. Scaling buffs, like kimimaro's +def/res, sailor sakura, minato etc. are all considered passives as well, Han's mystery won't affect them.

Oh okay thanks thats exactly what I thought about it not getting affected if the passive isnt displayed on screen just wanted to confirm

han mystery removes all the shields and buffs that last for 'x rounds'.

healing tips have no time limit, nor is considered a buff (is an aura) so doesn't get removed.