remove mention of siteWidth, no longer used

docs/scaffolding.html

@@ -374,11 +374,6 @@
         <td>20px</td>
         <td>Negative space between columns</td>
       </tr>
-      <tr>
-        <td><code>@siteWidth</code></td>
-        <td><em>Computed sum of all columns and gutters</em></td>
-        <td>Counts number of columns and gutters to set width of the <code>.container-fixed()</code> mixin</td>
-      </tr>
     </tbody>
   </table>
   <div class="row">
@@ -627,7 +622,7 @@
     </div><!-- /.span -->
   </div><!-- /.row -->
 
-      
+
   <div class="row">
     <div class="span4">
     </div><!-- /.span -->

docs/templates/pages/scaffolding.mustache

@@ -298,11 +298,6 @@
         <td>20px</td>
         <td>{{_i}}Negative space between columns{{/i}}</td>
       </tr>
-      <tr>
-        <td><code>@siteWidth</code></td>
-        <td><em>{{_i}}Computed sum of all columns and gutters{{/i}}</em></td>
-        <td>{{_i}}Counts number of columns and gutters to set width of the <code>.container-fixed()</code> mixin{{/i}}</td>
-      </tr>
     </tbody>
   </table>
   <div class="row">
@@ -551,7 +546,7 @@
     </div><!-- /.span -->
   </div><!-- /.row -->
 
-      
+
   <div class="row">
     <div class="span4">
     </div><!-- /.span -->