Remove width and height attributes from images in Soliloquy sliders.

functions.php

<?php
add_action( 'tgmsp_callback_start', 'tgm_soliloquy_remove_image_attr' );
function tgm_soliloquy_remove_image_attr( $id ) {
 
    $script  = 'var slides = $(slider).find(".soliloquy-slides > li img");';
    $script .= '$(slides).each(function(i){';
        $script .= '$(this).removeAttr("width height");';
    $script .= '});';
    echo $script;
 
}