Revert "Fix #1131 : Add windows Ctrl+C handling"

CONTRIBUTORS.markdown

@@ -44,4 +44,3 @@ The format for this list: name, GitHub handle, and then optional blurb about wha
 * Dave Nicponski (@virusdave)
 * Cody Allen (@ceedubs)
 * Ludvig Sundström (@lsund)
-* Mohamed Elsharnouby (@sharno)

parser-typechecker/unison-parser-typechecker.cabal

@@ -255,10 +255,8 @@ executable unison
     temporary,
     text,
     unison-core,
-    unison-parser-typechecker
-  if !os(windows)
-    build-depends:
-      unix
+    unison-parser-typechecker,
+    unix
 
 executable prettyprintdemo
   main-is: Main.hs

parser-typechecker/unison/Main.hs

@@ -1,7 +1,6 @@
 {-# Language OverloadedStrings #-}
 {-# Language PartialTypeSignatures #-}
 {-# Language ScopedTypeVariables #-}
-{-# LANGUAGE CPP #-}
 {-# OPTIONS_GHC -Wno-partial-type-signatures #-}
 
 module Main where
@@ -27,6 +26,7 @@ import qualified Unison.Util.Cache             as Cache
 import qualified Version
 import qualified Unison.Codebase.TranscriptParser as TR
 import qualified System.Path as Path
+import qualified System.Posix.Signals as Sig
 import qualified System.FilePath as FP
 import qualified System.IO.Temp as Temp
 import qualified System.Exit as Exit
@@ -38,12 +38,6 @@ import qualified Data.Text as Text
 import qualified Data.Configurator as Config
 import Text.Megaparsec (runParser)
 
-#if defined(mingw32_HOST_OS)
-import qualified GHC.ConsoleHandler as WinSig
-#else
-import qualified System.Posix.Signals as Sig
-#endif
-
 usage :: String -> P.Pretty P.ColorText
 usage executableStr = P.callout "🌻" $ P.lines [
   P.bold "Usage instructions for the Unison Codebase Manager",
@@ -108,17 +102,8 @@ installSignalHandlers = do
         case r of
           Nothing -> return ()
           Just t  -> throwTo t UserInterrupt
-
-#if defined(mingw32_HOST_OS)
-  let sig_handler WinSig.ControlC = interrupt
-      sig_handler WinSig.Break    = interrupt
-      sig_handler _               = return ()
-  _ <- WinSig.installHandler (WinSig.Catch sig_handler)
-#else
   _ <- Sig.installHandler Sig.sigQUIT  (Sig.Catch interrupt) Nothing
   _ <- Sig.installHandler Sig.sigINT   (Sig.Catch interrupt) Nothing
-#endif
-
   return ()
 
 main :: IO ()