Remove unnecessary spec

spec/contexts/issues/list_context_spec.rb

-require 'spec_helper'
-
-describe Issues::ListContext do
-
-  let(:user) { create(:user) }
-  let(:project) { create(:project, creator: user) }
-
-  titles = ['foo','bar','baz']
-  titles.each_with_index do |title, index|
-    let!(title.to_sym) { create(:issue, title: title, project: project, created_at: Time.now - (index * 60)) }
-  end
-
-  describe 'sorting' do
-    it 'sorts by newest' do
-      params = {sort: 'newest'}
-
-      issues = Issues::ListContext.new(project, user, params).execute
-      issues.first.should eq foo
-    end
-
-    it 'sorts by oldest' do
-      params = {sort: 'oldest'}
-
-      issues = Issues::ListContext.new(project, user, params).execute
-      issues.first.should eq baz
-    end
-
-    it 'sorts by recently updated' do
-      params = {sort: 'recently_updated'}
-      baz.updated_at = Time.now + 10
-      baz.save
-
-      issues = Issues::ListContext.new(project, user, params).execute
-      issues.first.should eq baz
-    end
-
-    it 'sorts by least recently updated' do
-      params = {sort: 'last_updated'}
-      bar.updated_at = Time.now - 10
-      bar.save
-
-      issues = Issues::ListContext.new(project, user, params).execute
-      issues.first.should eq bar
-    end
-
-    describe 'sorting by milestone' do
-      let(:newer_due_milestone) { create(:milestone, due_date: '2013-12-11') }
-      let(:later_due_milestone) { create(:milestone, due_date: '2013-12-12') }
-
-      before :each do
-        foo.milestone = newer_due_milestone
-        foo.save
-        bar.milestone = later_due_milestone
-        bar.save
-      end
-
-      it 'sorts by most recently due milestone' do
-        params = {sort: 'milestone_due_soon'}
-
-        issues = Issues::ListContext.new(project, user, params).execute
-        issues.first.should eq foo
-
-      end
-
-      it 'sorts by least recently due milestone' do
-        params = {sort: 'milestone_due_later'}
-
-        issues = Issues::ListContext.new(project, user, params).execute
-        issues.first.should eq bar
-      end
-    end
-  end
-end