QA: Cleanup page issues browser test

* The check for whether the page issues code has been loaded should
be run just before clicking the banner. It's in the wrong place.
* Now page issues is live across all wikis, no need for "in beta"
check
* Seledctor can be simplified now no need to worry about beta
Change-Id: Ie24a9d9fc1966ca5db2cd0a6a37c1aa6d719924a

tests/browser/features/issues.feature

@@ -3,7 +3,6 @@ Feature: Issues
 
   Background:
     Given I am using the mobile site
-      And I am in beta mode
       And I am on a page which has cleanup templates
       And this page has issues
 

tests/browser/features/step_definitions/issues_steps.rb

@@ -11,11 +11,11 @@ When(/^I see the issues overlay$/) do
 end
 
 When(/^this page has issues$/) do
+  on(ArticlePage).wait_until_rl_module_ready('skins.minerva.scripts')
   on(ArticlePage).issues_stamp_element.when_present
 end
 
 Then(/^I should not see the issues overlay$/) do
-  on(ArticlePage).wait_until_rl_module_ready('skins.minerva.scripts')
   expect(on(ArticlePage).overlay_element).not_to be_visible
 end