How to remove left and right column from prestashop front controller

To remove left and right column from front controller,

Add below code just at the begining of your frontcontroller class:

class  modulenamecontrollerfilenameModuleFrontController extends ModuleFrontController

{

    public $display_column_left = false;

    public $display_column_right = false;

Replace,
modulename with your modulename
controllerfilename with your file name.