Revert "Put back in diagnostic logging"

This reverts commit 6878631ceaf07ecac07dd7675d4003806537dafd.
Revert "Caching nodes for calculation"

This reverts commit e1d236c4319d1220899234f49929cbc5ec17659f.
Revert "add cache"

This reverts commit 60851b3cdfc0cea61558e84635b78441ac3175d5.
Deleted tests for reverted cache