I heated up the nozzle separately in some boiling water and scraped off almost all of it. Then I put it back into the hot end and heated it up to 200 C, took it back out and q-tipped off a lot of the rest. There’s still some but I’m running a print right now and it’s working fine.
This factory was supposed to be producing Tesla Solar Roof tiles which is now vaporware. And the only reason Tesla owns the solar business at all is because he bailed out his cousin or something by buying the business from him.