more dead code

src/compiler/GF/Grammar/Lookup.hs

@@ -166,11 +166,11 @@ allParamValues cnc ptyp =
     RecType r -> do
        let (ls,tys) = unzip $ sortByFst r
        tss <- mapM (allParamValues cnc) tys
-       return [R (zipAssign ls ts) | ts <- combinations tss]
+       return [R (zipAssign ls ts) | ts <- sequence tss]
     Table pt vt -> do
        pvs <- allParamValues cnc pt
        vvs <- allParamValues cnc vt
-       return [V pt ts | ts <- combinations (replicate (length pvs) vvs)]
+       return [V pt ts | ts <- sequence (replicate (length pvs) vvs)]
     _ -> raise (render ("cannot find parameter values for" <+> ptyp))
   where
     -- to normalize records and record types

src/compiler/GF/Grammar/Macros.hs

@@ -554,16 +554,12 @@ strsFromTerm t = case t of
     return [strTok (str2strings def) vars | 
               def  <- d0,
               vars <- [[(str2strings v, map sstr c) | (v,c) <- zip vv c0] | 
-                                                          vv <- combinations v0]
+                                                          vv <- sequence v0]
            ]
   FV ts -> mapM strsFromTerm ts >>= return . concat
   Strs ts -> mapM strsFromTerm ts >>= return . concat  
   _ -> raise (render ("cannot get Str from term" <+> ppTerm Unqualified 0 t))
 
--- | to print an Str-denoting term as a string; if the term is of wrong type, the error msg
-stringFromTerm :: Term -> String
-stringFromTerm = err id (ifNull "" (sstr . head)) . strsFromTerm
-
 getTableType :: TInfo -> Err Type
 getTableType i = case i of
   TTyped ty -> return ty