Reverted to using non cached permissions check as cached version fails tests…

Reverted to using non cached permissions check as cached version fails tests (and there are no clean way to make it pass)

common/templates/discussion/_discussion_course_navigation.html

 <%! from django.utils.translation import ugettext as _ %>
-<%! from django_comment_client.permissions import cached_has_permission %>
+<%! from django_comment_client.permissions import has_permission %>
 <%inherit file="../courseware/course_navigation.html" />
 
 <%block name="extratabs">
-% if cached_has_permission(user, 'create_thread', course.id):
+% if has_permission(user, 'create_thread', course.id):
     <li class="right"><a href="#" class="new-post-btn" role="button"><span class="icon fa fa-edit new-post-icon"></span>${_("New Post")}</a></li>
 % endif
 </%block>

common/templates/discussion/_discussion_inline.html

 <%! from django.utils.translation import ugettext as _ %>
-<%! from django_comment_client.permissions import cached_has_permission %>
+<%! from django_comment_client.permissions import has_permission %>
 <%include file="_underscore_templates.html" />
 
 <%namespace name='static' file='../static_content.html'/>
@@ -14,7 +14,7 @@
 
 <div class="discussion-module" data-discussion-id="${discussion_id | h}">
     <a class="discussion-show control-button" href="javascript:void(0)" data-discussion-id="${discussion_id | h}" role="button"><span class="show-hide-discussion-icon"></span><span class="button-text">${_("Show Discussion")}</span></a>
-    % if cached_has_permission(user, 'create_thread', course.id):
+    % if has_permission(user, 'create_thread', course.id):
         <a href="#" class="new-post-btn" role="button"><span class="icon fa fa-edit new-post-icon"></span>${_("New Post")}</a>
     % endif
 </div>

common/templates/discussion/_underscore_templates.html

 <%! from django.utils.translation import ugettext as _ %>
 <%! from django.template.defaultfilters import escapejs %>
-<%! from django_comment_client.permissions import cached_has_permission %>
+<%! from django_comment_client.permissions import has_permission %>
 
 <%namespace name='static' file='../static_content.html'/>
 
@@ -17,7 +17,7 @@
             </div>
             <div class="post-extended-content">
                 <div class="response-count"/>
-                % if course is UNDEFINED or cached_has_permission(user, 'create_comment', course.id):
+                % if course is UNDEFINED or has_permission(user, 'create_comment', course.id):
                 <div class="add-response">
                     <button class="button add-response-btn">
                         <i class="icon fa fa-reply"></i>
@@ -30,7 +30,7 @@
                 <div class="post-status-closed bottom-post-status" style="display: none">
                   ${_("This thread is closed.")}
                 </div>
-                % if course is UNDEFINED or cached_has_permission(user, 'create_comment', course.id):
+                % if course is UNDEFINED or has_permission(user, 'create_comment', course.id):
                 <form class="discussion-reply-new" data-id="${'<%- id %>'}">
                     <h4>${_("Post a response:")}</h4>
                     <ul class="discussion-errors"></ul>
@@ -78,7 +78,7 @@
     </a>
     <ol class="comments">
         <li class="new-comment">
-            % if course is UNDEFINED or cached_has_permission(user, 'create_sub_comment', course.id):
+            % if course is UNDEFINED or has_permission(user, 'create_sub_comment', course.id):
             <form class="comment-form" data-id="${'<%- wmdId %>'}">
                 <ul class="discussion-errors"></ul>
                 <label class="sr" for="add-new-comment">${_("Add a comment")}</label>