Kill trailing whitespace in erb files

app/views/static/terms_of_service.html.erb

@@ -1,7 +1,7 @@
 <div id="terms-of-service">
   <div class="section">
     <h4>Terms of Service</h4>
-    <p>By accessing the "<%= Danbooru.config.app_name %>" website ("Site") you agree to the following terms of service. If you do not agree to these terms, then please do not access the Site.</p>  
+    <p>By accessing the "<%= Danbooru.config.app_name %>" website ("Site") you agree to the following terms of service. If you do not agree to these terms, then please do not access the Site.</p>
 
     <ul>
       <li>The Site reserves the right to change these terms at any time.</li>
@@ -11,13 +11,13 @@
       <li>You will make a best faith effort to upload only high quality anime-related images.</li>
       <li>You have read the <%= link_to "tagging guidelines", wiki_pages_path(:title => "help:tags") %>.</li>
     </ul>
-    
+
     <div class="section">
       <h6>Post/Comment Limiting</h6>
       <p>You cannot upload a post or comment during the first week of signing up.</p>
       <p>After the initial period, you can post up to one comment an hour and a variable number of posts based on how many of your previous uploads were approved or deleted.</p>
     </div>
-    
+
     <div class="section">
       <h6>Prohibited Content</h6>
       <p>In addition, you may not use the Site to upload any of the following:</p>