Comment out some dead code found with -fwarn-unused-binds

Also fixed some warnings and tightened some imports

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

@@ -33,7 +33,7 @@ nfx env@(GE _ _ _ loc) t = value2term loc [] # eval env t
 eval :: GlobalEnv -> Term -> Err Value
 eval ge t = ($[]) # value (toplevel ge) t
 
-apply env = apply' env
+--apply env = apply' env
 
 --------------------------------------------------------------------------------
 
@@ -279,7 +279,7 @@ strsFromValue t = case t of
     d0 <- strsFromValue d
     v0 <- mapM (strsFromValue . fst) vs
     c0 <- mapM (strsFromValue . snd) vs
-    let vs' = zip v0 c0
+  --let vs' = zip v0 c0
     return [strTok (str2strings def) vars | 
               def  <- d0,
               vars <- [[(str2strings v, map sstr c) | (v,c) <- zip vv c0] | 
@@ -511,11 +511,11 @@ ix loc fn xs i =
     else bugloc loc $ "(!!): index too large in "++fn++", "++show i++"<"++show n
   where n = length xs
 
-infixl 1 #,<#,@@
+infixl 1 #,<# --,@@
 
 f # x = fmap f x
 mf <# mx  = ap mf mx
-m1 @@ m2 = (m1 =<<) . m2
+--m1 @@ m2 = (m1 =<<) . m2
 
 both f (x,y) = (,) # f x <# f y
 

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

@@ -2,7 +2,7 @@
 {-# LANGUAGE TypeSynonymInstances, FlexibleInstances #-}
 module GF.Compile.Compute.Predef(predef,predefName,delta) where
 
-import GF.Text.Pretty(render,hang)
+--import GF.Text.Pretty(render,hang)
 import qualified Data.Map as Map
 import Data.Array(array,(!))
 import Data.List (isInfixOf)
@@ -146,11 +146,11 @@ norm v =
                   (VString s1,VString s2) -> VString (s1++" "++s2)
                   (v1,v2) -> VC v1 v2
     _ -> v
-
+{-
 strict v = case v of
              VError err -> Left err
              _ -> Right v
-
+-}
 string s = case words s of
              [] -> VString ""
              ss -> foldr1 VC (map VString ss)
@@ -158,7 +158,8 @@ string s = case words s of
 ---
 
 swap (x,y) = (y,x)
-
+{-
 bug msg = ppbug msg
 ppbug doc = error $ render $
                     hang "Internal error in Compute.Predef:" 4 doc
+-}