Remove Windows build

It's occurred to me that this server can only listen on UNIX domain
sockets, which I'm fairly certain won't work on Windows in any
useful fashion.

If the emerging linux-on-windows emulation provides a compatible
interface, I believe the linux binary should actually run therein.

Author: jmanero-r7

Thorfile

@@ -50,7 +50,7 @@ end
 ## gox Helpers
 module Gox
   GOARCH = %w(amd64 386 arm).freeze
-  GOOS = %w(darwin linux windows).freeze
+  GOOS = %w(darwin linux).freeze
 
   class << self
     def output(dir)