Just remove the sidebar from your page.php and make it a template:
<?php
// Template Name: full
?>
<div id="main">
<?php while ( have_posts() ) : the_post(); ?>
<article id="post-<?php...
Just remove the sidebar from your page.php and make it a template:
<?php
// Template Name: full
?>
<div id="main">
<?php while ( have_posts() ) : the_post(); ?>
<article id="post-<?php...