minor tweaks after testing

lms/templates/discussion/_new_post.html

@@ -47,7 +47,7 @@
                         <input type="checkbox" name="anonymous_to_peers" class="discussion-anonymous-to-peers" id="new-post-anonymous-to-peers"><label for="new-post-anonymous-to-peers">post anonymously to classmates</label>
                     %endif
                     %if is_course_cohorted:
-                    <div class="form-group-label choose-cohort">
+                    <div class="form-group-label choose-cohort" style = "display:none">
                         Make visible to:
                         <select class="group-filter-select new-post-group" name = "group_id"> 
                             <option value="">All Groups</option>

lms/templates/discussion/_thread_list_template.html

@@ -18,12 +18,6 @@
             <li><a href="#" data-sort="votes">votes</a></li>
             <li><a href="#" data-sort="comments">comments</a></li>
         </ul>
-        <span class="group-filter-label">Show:</span>
-        <select class="group-filter-select"> 
-            <option value="all">All Groups</option>
-            <option value="g1">Group 1</option>
-            <option value="g2">Group 2</option>
-        </select>
     </div>
     <div class="post-list-wrapper">
         <ul class="post-list">

lms/templates/discussion/_underscore_templates.html

@@ -26,7 +26,6 @@
   <div class="discussion-post">
       <div><a href="javascript:void(0)" class="dogear action-follow" data-tooltip="follow"></a></div>
       <header>
-      
       ${"<% if (obj.group_id) { %>"}
       <div class="group-visibility-label">${"<%- obj.group_string%>"}.</div>
               ${"<% }  %>"}