Remove some dead code and broken links from comments

app/assets/javascripts/admin/spree/handlebar_extensions.js

@@ -1,4 +1,5 @@
 //= require handlebars
+
 Handlebars.registerHelper("t", function(key) {
   if (Spree.translations[key]) {
     return Spree.translations[key]
@@ -6,4 +7,3 @@ Handlebars.registerHelper("t", function(key) {
     console.error("No translation found for " + key + ". Does it exist within spree/admin/shared/_translations.html.erb?")
   }
 });
-

app/assets/javascripts/admin/spree/spree.js.coffee

@@ -1,11 +1,7 @@
 #= require jsuri
-class window.Spree
-  @ready: (callback) ->
-    jQuery(document).ready(callback)
 
+class window.Spree
   # Helper function to take a URL and add query parameters to it
-  # Uses the JSUri library from here: https://code.google.com/p/jsuri/
-  # Thanks to Jake Moffat for the suggestion: https://twitter.com/jakeonrails/statuses/321776992221544449
   @url: (uri, query) ->
     if uri.path == undefined
       uri = new Uri(uri)
@@ -15,26 +11,3 @@ class window.Spree
     if Spree.api_key
       uri.addQueryParam('token', Spree.api_key)
     return uri
-
-  # Helper method in case people want to call uri rather than url
-  @uri: (uri, query) ->
-    url(uri, query)
-
-  # This function automatically appends the API token
-  # for the user to the end of any URL.
-  # Immediately after, this string is then passed to jQuery.ajax.
-  #
-  # ajax works in two ways in jQuery:
-  #
-  # $.ajax("url", {settings: 'go here'})
-  # or:
-  # $.ajax({url: "url", settings: 'go here'})
-  #
-  # This function will support both of these calls.
-  @ajax: (url_or_settings, settings) ->
-    if (typeof(url_or_settings) == "string")
-      $.ajax(Spree.url(url_or_settings).toString(), settings)
-    else
-      url = url_or_settings['url']
-      delete url_or_settings['url']
-      $.ajax(Spree.url(url).toString(), url_or_settings)