removed footer w/checkbox, it isn't needed now that we have proper examples

Author: toddparker

docs/pages/dialog-overlay.html

@@ -23,12 +23,6 @@ <h1>Custom overlay</h1>
 			<a href="docs-dialogs.html" data-role="button" data-rel="back" data-theme="a" data-inline="true">I like it</a>       
 		</div>
 
-		<div data-role="footer" data-theme="c">
-			<form style="padding-top:4px;">
-			<input type="checkbox" name="checkbox-0" id="checkbox-0" class="custom" />
-			<label for="checkbox-0">Don't show this message again </label>
-			</form>
-		</div>
 	</div>