How to Hide Bit Social Admin Menus

function plt_hide_bit_social_menus() {
	//Hide "Bit Social".
	remove_menu_page('bit-social');
	//Hide "Bit Social → Home".
	remove_submenu_page('bit-social', 'admin.php?page=bit-social#/');
	//Hide "Bit Social → Accounts".
	remove_submenu_page('bit-social', 'admin.php?page=bit-social#/accounts');
	//Hide "Bit Social → WP Auto Post".
	remove_submenu_page('bit-social', 'admin.php?page=bit-social#/auto-post');
	//Hide "Bit Social → WP Post Schedules".
	remove_submenu_page('bit-social', 'admin.php?page=bit-social#/schedules');
	//Hide "Bit Social → Share Now".
	remove_submenu_page('bit-social', 'admin.php?page=bit-social#/share-now');
	//Hide "Bit Social → Calendar".
	remove_submenu_page('bit-social', 'admin.php?page=bit-social#/calendar');
	//Hide "Bit Social → Templates".
	remove_submenu_page('bit-social', 'admin.php?page=bit-social#/templates');
	//Hide "Bit Social → Logs".
	remove_submenu_page('bit-social', 'admin.php?page=bit-social#/logs');
	//Hide "Bit Social → Settings".
	remove_submenu_page('bit-social', 'admin.php?page=bit-social#/settings');
	//Hide "Bit Social → Support".
	remove_submenu_page('bit-social', 'admin.php?page=bit-social#/support');
}

add_action('admin_menu', 'plt_hide_bit_social_menus', 11);
Where do I put this code?