dev #71435 : delete piwik view file

application/modules/admin/views/scripts/stat/piwik.phtml

-<?php
-Class_ScriptLoader::getInstance()
-->addJQueryReady('var title = $(".modules h1");
-                 var container_height = Math.round(window.innerHeight - title.position().top - title.height());
-                 var container = $(".modules");
-                 container.height(container_height);
-                 $("iframe#matomo").height(container_height - title.height() - Math.round(container.css("padding-bottom").replace("px","")))');
-
-if($this->error)
-  echo $this->tag('p', $this->error, ['class' => 'error']);
-
-echo $this->tag('iframe', '', ['src' => $this->url,
-                               'id' => 'matomo',
-                               'frameborder' => '0',
-                               'marginheight' => '0',
-                               'marginwidth' => '0',
-                               'width' => '100%',
-                               'scrolling' => 'yes']);
-?>