I told my best friend I liked him and he unfriended me on Snapchat and Instagram. Do I do anything?

Everyone thought there was something going on between us because we were super close and the way we treated each other was different to how we'd treat everyone else. All of my friends told me it was quite obvious that he did like me and that it just seemed as though we were both too scared to ask each other out. I decided to tell him and he said he didn't feel the same way but asked if we were still okay. Everyone was super shocked and obviously, I needed space. The only catch is that we live together (I don't need the lecture about 'don't sh*t where you eat' - it's life, you can't control who you get feelings for!). The day later I ignored him and we didn't talk, which is abnormal for us but obviously, I needed space. He seemed ok with that and smiled at me when I passed him but the next day I go on Snapchat to see that he has unfriended me, then I check Instagram and see the same. He knows I know but hasn't mentioned anything. I'm pretty hurt considering he's led me on, let me open up and be vulnerable to him and then just deleted me out of his life like I meant nothing... I'm not too sure what to do and some of my friends are saying to bring it up to him.
I told my best friend I liked him and he unfriended me on Snapchat and Instagram. Do I do anything?
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