для 2.7.5:
Комментируем номера строк в файлах:
83: /components/com_phocagallery/views/category/view.html.php
83: /administrator/components/com_phocagallery/front/views/category/view.html.php
//$tmpl['lm'] = '<'.'d'.'i'.'v'.' '.'s'.'t'.'y'.'l'.'e'.'='...
Ищем функции getString() и getDivs() и изменяем на return '';
551, 687-699: /administrator/components/com_phocagallery/libraries/phocagallery/render/renderfront.php
Далее:
507:/components/com_phocagallery/views/categories/tmpl/default.php
507:/administrator/components/com_phocagallery/front/views/categories/tmpl/default.php
удаляем из строки: ' . $this->tmpl['phoac'].'