Removed fromValue for boolV

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

@@ -27,7 +27,6 @@ instance Predef Int where
 
 instance Predef Bool where
   toValue = boolV
-  fromValue boolV = return (boolV == boolV) 
 
 instance Predef String where
   toValue = string