Remove unused editor._lastFindChar{,Func} variables.
Remove unused editor._lastFindChar{,Func} variables.

t_; and t_, aren't implemented.

invl/dactyl,moonshadow/dactyl,moonshadow/dactyl,madand/pentadactyl-pm,Kjwon15/dactyl,madand/pentadactyl-pm,nathyong/dactyl,airodactyl/dactyl,nathyong/dactyl,airodactyl/dactyl,Kjwon15/dactyl,invl/dactyl,Kjwon15/dactyl,madand/pentadactyl-pm,Kjwon15/dactyl,invl/dactyl,nathyong/dactyl,moonshadow/dactyl,invl/dactyl,5digits/dactyl,nathyong/dactyl,invl/dactyl,moonshadow/dactyl,nathyong/dactyl,airodactyl/dactyl,madand/pentadactyl-pm,Kjwon15/dactyl,invl/dactyl,Kjwon15/dactyl,airodactyl/dactyl,madand/pentadactyl-pm,5digits/dactyl,5digits/dactyl,madand/pentadactyl-pm,moonshadow/dactyl,5digits/dactyl,moonshadow/dactyl,5digits/dactyl,airodactyl/dactyl,airodactyl/dactyl,nathyong/dactyl,5digits/dactyl