functions.php

<?php
// Add this code to your theme's function.php file

/**
 * Remove /kategorija/ from Yoast SEO canonical meta data
 */
function custom_yoast_canonical( $canonical ) {
    if ( is_product_category() ) {
        $category = get_queried_object();
        $canonical = str_replace("kategorija/", "", get_term_link( $category, 'product_cat' ));
    }
    return $canonical;
}
add_filter( 'wpseo_canonical', 'custom_yoast_canonical' );

/**
 * Remove /kateogrija/ from Yoast SEO prev and next rel meta data
 */
function custom_wpseo_prev_rel_link( $link ) {
    if ( is_product_category() ) {
        global $wp_query;
        $queried_object = $wp_query->get_queried_object();
        if ( isset( $queried_object->slug ) ) {
            $link = str_replace( '/kategorija/', '/', $link );
        }
    }
    return $link;
}
add_filter( 'wpseo_next_rel_link', 'custom_wpseo_prev_rel_link' );
add_filter( 'wpseo_prev_rel_link', 'custom_wpseo_prev_rel_link' );

/**
 * Remove /kateogrija/ from Yoast SEO opengraph URL meta data
 */
function custom_wpseo_opengraph_url( $url ) {
    if ( is_product_category() ) {
        global $wp_query;
        $queried_object = $wp_query->get_queried_object();
        if ( isset( $queried_object->slug ) ) {
            $url = str_replace( '/kategorija/', '/', $url );
        }
    }
    return $url;
}
add_filter( 'wpseo_opengraph_url', 'custom_wpseo_opengraph_url' );
?>