remove stale todos

lib/Quox/Parser/FromParser.idr

@@ -255,7 +255,6 @@ mutual
       t   => let ctx = MkNameContexts (map fromPatVar ds) (map fromPatVar ns) in
              throw $ AnnotationNeeded t.loc ctx t
 
-  -- [todo] use SN if the var is named but still unused
   private
   fromPTermTScope : {s : Nat} -> Context' PatVar d -> Context' PatVar n ->
                     SnocVect s PatVar -> PTerm ->

lib/Quox/Reduce.idr

@@ -14,7 +14,6 @@ import Control.Eff
 %default total
 
 
--- [fixme] rename this to Whnf and the interface to CanWhnf
 public export
 Whnf : List (Type -> Type)
 Whnf = [NameGen, Except Error]