How to Hide FluentCRM - Marketing Automation For WordPress Admin Menus

function plt_hide_fluent_crm_menus() {
	//Hide "Tools → Scheduled Actions".
	remove_submenu_page('tools.php', 'action-scheduler');

	//Hide "FluentCRM".
	remove_menu_page('fluentcrm-admin');
	//Hide "FluentCRM → Dashboard".
	remove_submenu_page('fluentcrm-admin', 'fluentcrm-admin');
	//Hide "FluentCRM → Contacts".
	remove_submenu_page('fluentcrm-admin', 'fluentcrm-admin#/subscribers');
	//Hide "FluentCRM → Lists".
	remove_submenu_page('fluentcrm-admin', 'fluentcrm-admin#/contact-groups/lists');
	//Hide "FluentCRM → Tags".
	remove_submenu_page('fluentcrm-admin', 'fluentcrm-admin#/contact-groups/tags');
	//Hide "FluentCRM → Campaigns".
	remove_submenu_page('fluentcrm-admin', 'fluentcrm-admin#/email/campaigns');
	//Hide "FluentCRM → Recurring Campaigns".
	remove_submenu_page('fluentcrm-admin', 'fluentcrm-admin#/email/recurring-campaigns');
	//Hide "FluentCRM → Email Sequences".
	remove_submenu_page('fluentcrm-admin', 'fluentcrm-admin#/email/sequences');
	//Hide "FluentCRM → Email Templates".
	remove_submenu_page('fluentcrm-admin', 'fluentcrm-admin#/email/templates');
	//Hide "FluentCRM → Forms".
	remove_submenu_page('fluentcrm-admin', 'fluentcrm-admin#/forms');
	//Hide "FluentCRM → Automations".
	remove_submenu_page('fluentcrm-admin', 'fluentcrm-admin#/funnels');
	//Hide "FluentCRM → Settings".
	remove_submenu_page('fluentcrm-admin', 'fluentcrm-admin#/settings');
	//Hide "FluentCRM → Reports".
	remove_submenu_page('fluentcrm-admin', 'fluentcrm-admin#/reports');
	//Hide "FluentCRM → Addons".
	remove_submenu_page('fluentcrm-admin', 'fluentcrm-admin#/add-ons');
	//Hide "FluentCRM → SMTP".
	remove_submenu_page('fluentcrm-admin', 'fluentcrm-admin#/settings/smtp_settings');
	//Hide "FluentCRM → Help".
	remove_submenu_page('fluentcrm-admin', 'fluentcrm-admin#/documentation');
}

add_action('admin_menu', 'plt_hide_fluent_crm_menus', 11);

Where do I put this code?