dev: Revert "fix:add: apply the D default commodity to bare numbers, per docs, 2 [#815]"

This reverts commit 87600e5dd, which had a wrong description.

hledger/Hledger/Cli/Script.hs

@@ -3,7 +3,6 @@ A convenient module to import in hledger scripts,
 aiming to provide the most useful imports and reduce boilerplate.
 |-}
 
-{-# LANGUAGE CPP #-}
 {-# LANGUAGE PackageImports #-}
 
 module Hledger.Cli.Script 
@@ -16,13 +15,7 @@ import Control.Concurrent as M
 import Control.Monad as M
 import Data.Char as M
 import Data.Either as M
-
-import Data.Functor as M
-#if MIN_VERSION_base(4,19,0)
-  hiding (unzip)
-#endif
--- import Data.Functor as M (Functor, fmap, (<$), ($>), (<$>), (<&>))  -- or without CPP ? redundant import warning
-
+import Data.Functor as M hiding (unzip)
 import Data.List as M
 import Data.Maybe as M
 import Data.Ord as M