Checkout remove finish button

<button type="submit" class="<?php echo $this->config->get('css_button','hikabtn'); ?> hikabtn_checkout_next" onclick="this.form.submit(); this.disabled=true; window.Oby.addClass(this, 'next_button_disabled'); return false;"><?php
			$steps = count($this->checkoutHelper->checkout_workflow['steps']);
			$txt = JText::_('HIKA_NEXT');
			if(($this->step + 1) == $steps) {
				$k = 'CHECKOUT_BUTTON_FINISH';
				$txt = JText::_($k);
				if($txt == $k)
					$txt = JText::_('HIKA_NEXT');
			}
			echo $txt;
		?></button>

if($this->nextButton)
		{
			if($this->step == (count($this->steps) - 2)) {
				$checkout_next_button = JText::_('CHECKOUT_BUTTON_FINISH');
				if($checkout_next_button == 'CHECKOUT_BUTTON_FINISH')
					$checkout_next_button = JText::_('NEXT');
			} else
				$checkout_next_button = JText::_('NEXT');
			echo $this->cart->displayButton($checkout_next_button,'next',$this->params, hikashop_completeLink('checkout&task=step&step='.((int)$this->step+1)),'if(hikashopCheckChangeForm(\'order\',\'hikashop_checkout_form\')){ if(hikashopCheckMethods()){ document.getElementById(\'hikashop_validate\').value=1; this.disabled = true; document.forms[\'hikashop_checkout_form\'].submit();}} return false;','id="hikashop_checkout_next_button"');
			$button = $this->config->get('button_style','normal');
			 	if ($button=='css')
					echo '<input type="submit" style="position: absolute; left: -9999px; width: 1px; height: 1px;"/></input>';
		}