Commment code and options relating to the old partial evaluator

This means that the -old-comp and -new-comp flags are not recognized anymore.

The only functional difference is that printnames were still normalized with
the old partial evaluator. Now that is done with the new partial evaluator.

src/compiler/GF/Compile/Compute/ConcreteLazy.hs

@@ -12,10 +12,10 @@
 -- Computation of source terms. Used in compilation and in @cc@ command.
 -----------------------------------------------------------------------------
 
-module GF.Compile.Compute.ConcreteLazy (computeConcrete, computeTerm,checkPredefError) where
-
-import GF.Data.Operations
+module GF.Compile.Compute.ConcreteLazy ({-computeConcrete, computeTerm,checkPredefError-}) where
+{-
 import GF.Grammar.Grammar
+import GF.Data.Operations
 import GF.Infra.Ident
 --import GF.Infra.Option
 import GF.Data.Str
@@ -528,3 +528,4 @@ checkPredefError sgr t = case t of
   
 predef_error s = App (Q (cPredef,cError)) (K s)
 -}
+-}