These settings have now been reintegrated into the new code, so we can
remove them from the old code to make it easier to audit what has and
hasn't been converted yet
Unlike the player and setup settings, the form here has a variable
number of inputs, so we use a blank row to allow expanding the index
set and allow deleting by clearing out the index type
This somewhat duplicates loading the objects into flask.g, but doesn't require
the lexicon route decorators. Additionally, lazy-loading these objects can save
the occasional db call, and for the current membership this is more convenient
than having to add a second decorator or staple it to the lexicon loading.
