[[CHORE]] Removed old `functionicity` variable and logic using it
[[CHORE]] Removed old `functionicity` variable and logic using it

Variable `functionicity` is used only in useless "for" cycles, which did
nothing but adding and removing the same properties to the "fu" object
over and over again

jugglinmike/jshint,thomas658/jshint,jugglinmike/jshint,jshint/jshint,jshint/jshint,thomas658/jshint