Disable ‘Add Widget Area’ form

If I deactivate the Redux Framework plugin it will disappeared. its a theme built from scratch.
here are my arguments.

$args = array(

'opt_name'                  => $opt_name, // REQUIRED!!  Change these values as you need/desire.
'display_name'              => $theme->get( 'Name' ), // Name that appears at the top of your panel.
'display_version'           => $theme->get( 'Version' ), // Version that appears at the top of your panel.
'menu_type'                 => 'menu', // Specify if the admin menu should appear or not. Options: menu or submenu (Under appearance only).
'allow_sub_menu'            => true, // Show the sections below the admin menu item or not.
'menu_title'                => esc_html__( 'Theme Options'),
'page_title'                => esc_html__( 'Theme Options'),
'disable_google_fonts_link' => false, // Disable this in case you want to create your own Google fonts loader.
'admin_bar'                 => false, // Show the panel pages on the admin bar.
'admin_bar_icon'            => 'dashicons-portfolio', // Choose an icon for the admin bar menu.
'admin_bar_priority'        => 0, // Choose a priority for the admin bar menu.
'global_variable'           => '', // Set a different name for your global variable other than the opt_name.
'dev_mode'                  => false, // Show the time the page took to load, etc.
'customizer'                => true, // Enable basic customizer support.
'page_priority'             => 100, // Order where the menu appears in the admin area. If there is any conflict, something will not show. Warning.
'page_parent'               => 'themes.php',
'page_permissions'          => 'manage_options', // Permissions needed to access the options panel.
'menu_icon'                 => '', // Specify a custom URL to an icon.
'last_tab'                  => '', // Force your panel to always open to a specific tab (by id).
'page_icon'                 => 'icon-themes', // Icon displayed in the admin panel next to your menu_title.
'page_slug'                 => '_options', // Page slug used to denote the panel.
'save_defaults'             => true, // On load save the defaults to DB before user clicks save or not.
'default_show'              => false, // If true, shows the default value next to each field that is not the default value.
'default_mark'              => '',// What to print by the field's title if the value shown is default. Suggested: *.
'show_import_export'        => false,// Shows the Import/Export panel when not used as a field.
'transient_time'            => 60 * MINUTE_IN_SECONDS,// CAREFUL -> These options are for advanced use only.
'output'                    => true,// Global shut-off for dynamic CSS output by the framework. Will also disable google fonts output.
'output_tag'                => true,// Allows dynamic CSS to be generated for customizer and google fonts, but stops the dynamic CSS from going to the head.
'flyout_submenus'           => true, // Enable or disable flyout menus when hovering over a menu with submenus.
'font_display'              => 'swap', // Mode to display fonts (auto|block|swap|fallback|optional)
// HINTS.
'hints'                     => array(
    'icon'          => 'el el-question-sign',
    'icon_position' => 'right',
    'icon_color'    => 'lightgray',
    'icon_size'     => 'normal',
    'tip_style'     => array(
        'color'   => 'light',
        'shadow'  => true,
        'rounded' => false,
        'style'   => '',
    ),
    'tip_position'  => array(
        'my' => 'top left',
        'at' => 'bottom right',
    ),
    'tip_effect'    => array(
        'show' => array(
            'effect'   => 'slide',
            'duration' => '500',
            'event'    => 'mouseover',
        ),
        'hide' => array(
            'effect'   => 'slide',
            'duration' => '500',
            'event'    => 'click mouseleave',
        ),
    ),
),

);

Hi Kev Provance,
Great! The add widget are form is gone now, hope you will release new update soon!

Thanks