Remove HTTPS detection/migration since landed in WP 5.7

README.md

@@ -5,7 +5,7 @@
 WordPress feature plugin to bring Progressive Web App (PWA) capabilities to Core
 
 **Contributors:** [google](https://profiles.wordpress.org/google), [xwp](https://profiles.wordpress.org/xwp), [westonruter](https://profiles.wordpress.org/westonruter), [albertomedina](https://profiles.wordpress.org/albertomedina)  
-**Tags:** [pwa](https://wordpress.org/plugins/tags/pwa), [progressive web apps](https://wordpress.org/plugins/tags/progressive-web-apps), [service workers](https://wordpress.org/plugins/tags/service-workers), [web app manifest](https://wordpress.org/plugins/tags/web-app-manifest), [https](https://wordpress.org/plugins/tags/https)  
+**Tags:** [pwa](https://wordpress.org/plugins/tags/pwa), [progressive web apps](https://wordpress.org/plugins/tags/progressive-web-apps), [service workers](https://wordpress.org/plugins/tags/service-workers), [web app manifest](https://wordpress.org/plugins/tags/web-app-manifest)  
 **Requires at least:** 5.5  
 **Tested up to:** 5.7  
 **Stable tag:** 0.6.0  

pwa.php

@@ -191,12 +191,6 @@ function _pwa_check_disabled_navigation_preload() {
 /** WP_Web_App_Manifest Class */
 require_once PWA_PLUGIN_DIR . '/wp-includes/class-wp-web-app-manifest.php';
 
-/** WP_HTTPS_Detection Class */
-require_once PWA_PLUGIN_DIR . '/wp-includes/class-wp-https-detection.php';
-
-/** WP_HTTPS_UI Class */
-require_once PWA_PLUGIN_DIR . '/wp-includes/class-wp-https-ui.php';
-
 /** WP_Service_Workers Class */
 require_once PWA_PLUGIN_DIR . '/wp-includes/class-wp-service-workers.php';
 
@@ -296,7 +290,4 @@ function pwa_load_service_worker_integrations( WP_Service_Worker_Scripts $script
 $wp_web_app_manifest = new WP_Web_App_Manifest();
 $wp_web_app_manifest->init();
 
-$wp_https_detection = new WP_HTTPS_Detection();
-$wp_https_detection->init();
-
 require_once PWA_PLUGIN_DIR . '/wp-admin/options-reading-offline-browsing.php';