removing traces of Ruby from coffee-script.coffee, redoing narwhal support to use the new compiler (but untested)

src/coffee-script.coffee

@@ -47,45 +47,3 @@ exports.print_tokens: (tokens) ->
   strings: for token in tokens
     '[' + token[0] + ' ' + token[1].toString().replace(/\n/, '\\n') + ']'
   puts strings.join(' ')
-
-
-#---------- Below this line is obsolete, for the Ruby compiler. ----------------
-
-# The path to the CoffeeScript executable.
-compiler: ->
-  path.normalize(path.dirname(__filename) + '/../../bin/coffee')
-
-# Compile a string over stdin, with global variables, for the REPL.
-exports.ruby_compile: (code, callback) ->
-  js: ''
-  coffee: process.createChildProcess compiler(), ['--eval', '--no-wrap', '--globals']
-
-  coffee.addListener 'output', (results) ->
-    js += results if results?
-
-  coffee.addListener 'exit', ->
-    callback(js)
-
-  coffee.write(code)
-  coffee.close()
-
-
-# Compile a list of CoffeeScript files on disk.
-exports.ruby_compile_files: (paths, callback) ->
-  js: ''
-  coffee: process.createChildProcess compiler(), ['--print'].concat(paths)
-
-  coffee.addListener 'output', (results) ->
-    js += results if results?
-
-  # NB: we have to add a mutex to make sure it doesn't get called twice.
-  exit_ran: false
-  coffee.addListener 'exit', ->
-    return if exit_ran
-    exit_ran: true
-    callback(js)
-
-  coffee.addListener 'error', (message) ->
-    return unless message
-    puts message
-    throw new Error "CoffeeScript compile error"