Remove unused ChildProcess class

src/stdlib/child-process.coffee

@@ -1,37 +0,0 @@
-# node.js child-process
-# http://nodejs.org/docs/v0.6.3/api/child_processes.html
-
-$ = require 'jquery'
-_ = require 'underscore'
-
-module.exports =
-class ChildProccess
-  @exec: (command, options={}) ->
-    deferred = $.Deferred()
-
-    if options.bufferLines
-      options.stdout = @bufferLines(options.stdout) if options.stdout
-      options.stderr = @bufferLines(options.stderr) if options.stderr
-
-    $native.exec command, options, (exitStatus, stdout, stderr) ->
-      options.stdout?(stdout)
-      options.stderr?(stderr)
-      try
-        if exitStatus != 0
-          deferred.reject({command, exitStatus})
-        else
-          deferred.resolve()
-      catch e
-        console.error "In ChildProccess termination callback: ", e.message
-        console.error e.stack
-
-    deferred
-
-  @bufferLines: (callback) ->
-    buffered = ""
-    (data) ->
-      buffered += data
-      lastNewlineIndex = buffered.lastIndexOf('\n')
-      if lastNewlineIndex >= 0
-        callback(buffered.substring(0, lastNewlineIndex + 1))
-        buffered = buffered.substring(lastNewlineIndex + 1)