Mick Foley Shows Off Ear That Vader Famously Ripped Off, Still Not Repaired!

You know the ear that Vader famously ripped off of Mick Foley's head in a wrestling match 25 years ago?? Yeah, Foley just showed it to TMZ Sports -- and it's still not fully repaired ... AND IT'S STILL GROSS AS HELL!!! We spoke with the wrestling…