Clean up SilverStripe ModelAdmin (no sidebar, no filter, no import, no print)

mysite-_config-config.yml

---
# See http://doc.silverstripe.org/framework/en/topics/configuration
# Caution: Indentation through two spaces, not tabs
Name: mysite
After: 'framework/*','cms/*'
---
LeftAndMain:
  extra_requirements_css:
    - 'mysite/css/cms.css'

mysite-code-MyModelAdmin.php

<?php

class MyModelAdmin extends ModelAdmin {
	private static $managed_models = array(
		'MyModel',
	);
	private static $url_segment = 'mymodeladmin';

	public function getEditForm($id = null, $fields = null) {
		$form = parent::getEditForm($id, $fields);
		foreach ($form->Fields() as $field) {
			if ($field->is_a('GridField')) {
				$field->getConfig()->removeComponentsByType('GridFieldExportButton');
				$field->getConfig()->removeComponentsByType('GridFieldPrintButton');
			}
		}
		return $form;
	}

}

mysite-css-cms.css

.MyModelAdmin #cms-content-tools-ModelAdmin {
  display: none !important;
}

SilverStripe-Clean-ModelAdmin.md

Clean up SilverStripe ModelAdmin (no sidebar, no filter, no import, no print)