Remove api calls from api.js.coffee.

Using respond to instead

app/assets/javascripts/api.js.coffee

@@ -5,45 +5,6 @@
   group_projects_path: "/api/:version/groups/:id/projects.json"
   projects_path: "/api/:version/projects.json"
   labels_path: "/api/:version/projects/:id/labels"
-  issues_paths:
-    update : "/api/:version/projects/:id/issues/:issue_id"
-  merge_request_path: "/api/:version/issues/:id.json"
-  milestones_paths:
-    index: "/api/:version/projects/:id/milestones"
-
-  milestones:
-    index: (project_id, callback) ->
-      data = {}
-      url = Api.buildUrl(Api.milestones_paths.index)
-      url = url
-              .replace(":id", project_id)
-      data.private_token = gon.api_token
-      $.ajax(
-        url: url
-        type: "GET"
-        data: data
-        dataType: "json"
-      ).done (milestones) ->
-        if callback?
-          callback(milestones)
-
-  issues: 
-    update: (project_id, issue_id, data, callback) ->
-      url = Api.buildUrl(Api.issues_paths.update)
-      url = url
-              .replace(":id", project_id)
-              .replace(":issue_id", issue_id)
-      if not data?
-        data = {}
-      data.private_token = gon.api_token
-      $.ajax(
-        url: url
-        type: "PUT"
-        data: data
-        dataType: "json"
-      ).done (issue) ->
-        if callback?
-          callback(issue)
 
   group: (group_id, callback) ->
     url = Api.buildUrl(Api.group_path)