Remove padding on editor

IPython/html/static/edit/less/edit.less

@@ -1,34 +1,34
 
 #filename {
     font-size: 16pt;
     display: table;
     padding: 0px 5px;
 }
 
 #texteditor-backdrop {
     padding-top: @page-header-padding;
     padding-bottom: @page-header-padding;
     
     @media not print{
         min-height: @page-backdrop-height;
         background-color: @page-backdrop-color;
     }
 
     #texteditor-container {
         .CodeMirror-gutter {
             @media print {
                 background-color: @body-bg;
             }
             @media not print {
                 background-color: @page-color;
             }
         }
 
         @media not print{
-            padding: @page-padding;
+            padding: 0px;
             background-color :  @page-color;
             min-height: @page-min-height;
             .box-shadow(@global-shadow);
         }
     }
 }