def features_nav():
    return [
        {
            "name": "Features",
            "link": "main.features",
            "sub_navigation_items": [
                {
                    "name": "Emails",
                    "link": "main.features_email",
                },
                {
                    "name": "Text messages",
                    "link": "main.features_sms",
                },
                {
                    "name": "Letters",
                    "link": "main.features_letters",
                },
            ]
        },
        {
            "name": "Roadmap",
            "link": "main.roadmap",
        },
        {
            "name": "Trial mode",
            "link": "main.trial_mode_new",
        },
        {
            "name": "Message status",
            "link": "main.message_status",
        },
        {
            "name": "Security",
            "link": "main.security",
        },
        {
            "name": "Terms of use",
            "link": "main.terms",
        },
        {
            "name": "Using Notify",
            "link": "main.using_notify",
        },
    ]

def features_nav():
    return [
        {
            "name": "Features",
            "link": "main.features",
            "sub_navigation_items": [
                {
                    "name": "Emails",
                    "link": "main.features_email",
                },
                {
                    "name": "Text messages",
                    "link": "main.features_sms",
                },
                {
                    "name": "Letters",
                    "link": "main.features_letters",
                },
            ]
        },
        {
            "name": "Roadmap",
            "link": "main.roadmap",
        },
        {
            "name": "Trial mode",
            "link": "main.trial_mode_new",
        },
        {
            "name": "Message status",
            "link": "main.message_status",
        },
        {
            "name": "Security",
            "link": "main.security",
        },
        {
            "name": "Terms of use",
            "link": "main.terms",
        },
    ]

Remove ‘using notify’ from nav (it’s a redirect now)
Remove ‘using notify’ from nav (it’s a redirect now)
