syncing and disconnecting because of gist

So I turned on the sync to gist, and I turned it off. but on every new snippet i made - it synced it. I couldnt stop it so I revoked the oAuth from github for cacher. Now it logs me out every few seconds. How do I stop this insane pattern from happening? I dont wanna sync anything anymore. please show me how to completely disconnect from my gisthub account so it stopps loggin me out because there is no oAuth