MINOR Removed tinymce customization in _config.php. Originally copypasted from sapphire/_config.php and adjusted to get admin/newsletter to load, which is no longer a problem.
MINOR Removed tinymce customization in _config.php. Originally copypasted from sapphire/_config.php and adjusted to get admin/newsletter to load, which is no longer a problem.

guru-digital/silverstripe-newsletter,silverstripe-labs/silverstripe-newsletter,guru-digital/silverstripe-newsletter,silverstripe-labs/silverstripe-newsletter,silverstripe-archive/silverstripe-newsletter,silverstripe-labs/silverstripe-newsletter,guru-digital/silverstripe-newsletter,silverstripe-archive/silverstripe-newsletter