Post Grit & Font Awesome icons

Welcome to our forum.

Please use following code under theme fucntions.php file to remove font awesome css that enqueue from our post grid plugin,

function wp_67472455() {
    wp_dequeue_style( 'font-awesome5' ); // remove version 5+
    wp_dequeue_style( 'font-awesome' ); // remove version 4+
}
add_action( 'wp_print_styles', 'wp_67472455', 100 );

Regards