Change Disposal to absolute pathing

Started trying to fix a reported bug, ended up removing all of the
relative pathing in the disposals code. My eyes hurt

- Also removed ninja snowflake code. If you attack the disposal bin with
your big energy sword of death, it's getting flushed. #REKT
Changelog
Merge pull request #2342 from dylanstrategie/Disposals

Change Disposal to absolute pathing