How to remove activation notice from Elementor

Install Elementor Free.

Download and install Pro Elements from https://proelements.org

File Location: /wp-content/plugins/pro-elements/license/admin.php

Find the following function:

public function admin_license_details() {
if ( ! current_user_can( 'manage_options' ) ) {
return;
}

if ( $this->is_block_editor_page() ) {
    return;
}

$license_key = self::get_license_key();

/**
 * @var Admin_Notices $admin_notices
 */
$admin_notices = Plugin::elementor()->admin->get_component( 'admin-notices' );

if ( empty( $license_key ) ) {
    // Disabled Elementor Pro license activation notice.
    return;
}

$license_data = API::get_license_data();

if ( API::is_licence_pro_trial() ) {
    return;
}

$errors = self::get_errors_details();

if ( ! $license_data['success'] && isset( $license_data['error'], $errors[ $license_data['error'] ] ) ) {
    $error_data = $errors[ $license_data['error'] ];

    $admin_notices->print_admin_notice( [
        'title' => $error_data['title'],
        'description' => $error_data['description'],
        'button' => [
            'text' => $error_data['button_text'],
            'url' => $error_data['button_url'],
            'type' => isset( $error_data['button_type'] ) ? $error_data['button_type'] : '',
        ],
    ] );

    return;
}

if ( API::is_license_active() && API::is_license_about_to_expire() ) {
    $renew_url = API::RENEW_URL;

    $title = sprintf(
        esc_html__( 'Your License Will Expire in %s.', 'elementor-pro' ),
        human_time_diff(
            current_time( 'timestamp' ),
            strtotime( $license_data['expires'] )
        )
    );

    if ( isset( $license_data['renewal_discount'] ) && 0 < $license_data['renewal_discount'] ) {
        $description = sprintf(
            esc_html__( 'Renew your license today, and get an exclusive, time-limited %s discount.', 'elementor-pro' ),
            $license_data['renewal_discount'] . '%'
        );
    } else {
        $description = esc_html__( 'Renew your license today, to keep getting feature updates, premium support, Pro widgets & unlimited access to the template library.', 'elementor-pro' );
    }

    $admin_notices->print_admin_notice( [
        'title' => $title,
        'description' => $description,
        'type' => 'warning',
        'button' => [
            'text' => esc_html__( 'Renew now', 'elementor-pro' ),
            'url' => $renew_url,
            'type' => 'warning',
        ],
    ] );
}

}