Simplify win32 script

- Always specify the PHP install dir
- Use default PhpManager functions
- Fix CA Authorities (so that HTTPS calls work)
- Don't handle the special xdebug case (it's bundled in PhpManager)

dist/index.js

@@ -1648,31 +1648,8 @@ function addExtensionWindows(extension_csv, version) {
         let script = '\n';
         yield utils.asyncForEach(extensions, function (extension) {
             return __awaiter(this, void 0, void 0, function* () {
-                extension = extension.toLowerCase();
                 // add script to enable extension is already installed along with php
-                let install_command = '';
-                switch (version + extension) {
-                    case '7.4xdebug': {
-                        const extension_url = 'https://xdebug.org/files/php_xdebug-2.8.0-7.4-vc15.dll';
-                        install_command =
-                            'Invoke-WebRequest -Uri ' +
-                                extension_url +
-                                ' -OutFile C:\\tools\\php\\ext\\php_xdebug.dll\n';
-                        install_command += 'Enable-PhpExtension xdebug';
-                        break;
-                    }
-                    case '7.2xdebug':
-                    default:
-                        install_command = 'Install-PhpExtension ' + extension;
-                        break;
-                }
-                script +=
-                    '\nAdd-Extension ' +
-                        extension +
-                        ' "' +
-                        install_command +
-                        '" ' +
-                        (yield utils.getExtensionPrefix(extension));
+                script += '\nAdd-Extension ' + extension;
             });
         });
         return script;