refactor: remove unnecessary LANGUAGE CPP pragmas

hledger-chart/Hledger/Chart/Main.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-|
 hledger-web - a hledger add-on providing rudimentary pie chart generation.
 Copyright (c) 2007-2011 Simon Michael <simon@joyful.com>

hledger-lib/Hledger/Read.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-| 
 
 Read hledger data from various data formats, and related utilities.

hledger-lib/Hledger/Read/JournalReader.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-|
 
 A reader for hledger's (and c++ ledger's) journal file format.

hledger-lib/Hledger/Read/TimelogReader.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-|
 
 A reader for the timelog file format generated by timeclock.el.

hledger-lib/Hledger/Utils.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-|
 
 Standard imports and utilities which are useful everywhere, or needed low

hledger-vty/Hledger/Vty/Main.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-|
 hledger-vty - a hledger add-on providing a curses-style interface.
 Copyright (c) 2007-2011 Simon Michael <simon@joyful.com>

hledger/Hledger/Cli/Add.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-| 
 
 A history-aware add command to help with data entry.

hledger/Hledger/Cli/Balance.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-|
 
 A ledger-compatible @balance@ command.

hledger/Hledger/Cli/Histogram.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-| 
 
 Print a histogram report.

hledger/Hledger/Cli/Print.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-| 
 
 A ledger-compatible @print@ command.

hledger/Hledger/Cli/Register.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-| 
 
 A ledger-compatible @register@ command.

hledger/Hledger/Cli/Stats.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-|
 
 Print some statistics for the journal.

hledger/Hledger/Cli/Utils.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE CPP #-}
 {-|
 
 Utilities for top-level modules and ghci. See also Hledger.Read and