Use ready function from the default layouts

You don't actually need to include the document ready function in the
page.

The commit updates the document ready function in the default template
to specify the features discussed in the prose and deletes the one that
is embedded in the page itself.

pages/mydoc/mydoc_tables.md

@@ -10,20 +10,6 @@ permalink: mydoc_tables.html
 folder: mydoc
 ---
 
-{% unless site.output == "pdf" %}
-<script>
-$(document).ready(function(){
-
-    $('table.display').DataTable( {
-        paging: true,
-        stateSave: true,
-        searching: true
-    }
-        );
-});
-</script>
-{% endunless %}
-
 ## Multimarkdown Tables
 
 You can use Multimarkdown syntax for tables. The following shows a sample: