Cacher is the code snippet organizer for pro developers

<?php
/**
 * Gravity Wiz // Gravity Forms // Hide Navigation Before Specific Page
 * http://gravitywiz.com
 */
// update "123" to ID of your form
add_filter( 'gform_pre_render_123', function( $form ) {

	// update the "2" to the last page that should NOT display the navigation
	if( GFFormDisplay::get_current_page( $form['id'] ) <= 2 ) {
		$form['pagination']['type'] = 'none';
	}

	return $form;
}, 15 );