fixes #2480: Report for contributors

app/views/reports/user_promotions.html.erb

@@ -1,6 +1,6 @@
 <div id="c-reports">
   <div id="a-user-promotions">
-    <h1>User Promotion Confidence Intervals</h1>
+    <h1>User Promotion Report</h1>
 
     <p>Binomial proportion confidence interval for how likely a user's uploads will achieve a score of at at least n with 95% confidence within the past 30 days. Most statistics are not significant unless there are at least 300 uploads.</p>
 
@@ -12,7 +12,6 @@
           <th data-sort="int">Uploads</th>
           <th data-sort="string">Age</th>
           <th data-sort="int">score:3+</th>
-          <th data-sort="int">score:6+</th>
           <th data-sort="int" title="25% of uploads received this score or less">quartile score</th>
           <th data-sort="int" title="50% of uploads received this score or less">median score</th>
           <th data-sort="int">deletion</th>
@@ -27,7 +26,6 @@
               <td><%= link_to user.post_upload_count, posts_path(:tags => "uploader:#{user.name} order:random", :limit => 200) %></td>
               <td data-sort-value="<%= user.created_at.to_formatted_s(:db) %>"><%= time_ago_in_words user.created_at %></td>
               <td><%= number_to_percentage user.confidence_interval_for(3), :precision => 0 %></td>
-              <td><%= number_to_percentage user.confidence_interval_for(6), :precision => 0 %></td>
               <td><%= user.quartile_score %></td>
               <td><%= user.median_score %></td>
               <td><%= link_to number_to_percentage(user.deletion_confidence_interval, :precision => 0), posts_path(:tags => "uploader:#{user.name} status:deleted", :limit => 200) %></td>