Use intermediary names in unpick configs

[Earthcomputer]

Why?

• There should be one authoritative source for what the yarn names are, and those are the files under the mappings directory. All other references to classes, fields and methods should be in intermediary format.
• Whenever a yarn name is in an unpick config, and that yarn name is renamed, you have to change it both in mappings and in the unpick config.
• Avoids the need for remapping unpick config in yarn's buildscript.
• Once Enigma has support for unpick config, it shouldn't be too much of a pain to edit or write unpick config in intermediary.

[modmuss50]

Seems resonable, other than thinking it would be easier to write (engima will solve this) I cannot think of a reason why I went with yarn named unpick, its easy enough to change it.

👍