Remove Font Awesome from WordPress theme https://technumero.com/remove-font-awesome-from-wordpress-theme

remove-font-awesome-from-wordpress-theme.php

<?php

//* You don't need to add the opening php tag shown above. 
//* Only copy and paste the below given code in functions.php file.

//* TN Dequeue Styles - Remove Font Awesome from WordPress theme
add_action( 'wp_print_styles', 'tn_dequeue_font_awesome_style' );
function tn_dequeue_font_awesome_style() {
      wp_dequeue_style( 'fontawesome' );
      wp_deregister_style( 'fontawesome' );
}