How to Hide WP Job Manager - Go Fetch Jobs Admin Menus

function plt_hide_go_fetch_jobs_wp_job_manager_menus() {
	//Hide "Go Fetch Jobs".
	remove_menu_page('go-fetch-jobs-wp-job-manager');
	//Hide "Go Fetch Jobs → Import Jobs".
	remove_submenu_page('go-fetch-jobs-wp-job-manager', 'go-fetch-jobs-wp-job-manager');
	//Hide "Go Fetch Jobs → Settings".
	remove_submenu_page('go-fetch-jobs-wp-job-manager', 'go-fetch-jobs-wpjm-settings');
	//Hide "Go Fetch Jobs → API Providers".
	remove_submenu_page('go-fetch-jobs-wp-job-manager', 'go-fetch-jobs-wpjm-providers');
	//Hide "Go Fetch Jobs → ATS Providers".
	remove_submenu_page('go-fetch-jobs-wp-job-manager', 'go-fetch-jobs-wpjm-ats');
	//Hide "Go Fetch Jobs → Help".
	remove_submenu_page('go-fetch-jobs-wp-job-manager', 'go-fetch-jobs-wp-job-manager-help');
	//Hide "Go Fetch Jobs → Contact Us".
	remove_submenu_page('go-fetch-jobs-wp-job-manager', 'go-fetch-jobs-wp-job-manager-contact');
	//Hide "Go Fetch Jobs → Upgrade".
	remove_submenu_page('go-fetch-jobs-wp-job-manager', 'go-fetch-jobs-wp-job-manager-pricing');
}

add_action('admin_menu', 'plt_hide_go_fetch_jobs_wp_job_manager_menus', 1000000000);

Where do I put this code?