Removed preferXHR option from HTTPRequest

(since it had no effect)

src/backend/HTTPRequest.ts

@@ -21,9 +21,6 @@ export interface HTTPRequestOptions {
 	// Used as the URL prefix for fetched files.
 	// Default: Fetch files relative to the index.
 	baseUrl?: string;
-	// Whether to prefer XmlHttpRequest or fetch for async operations if both are available.
-	// Default: false
-	preferXHR?: boolean;
 }
 
 function syncNotAvailableError(): never {
@@ -72,11 +69,6 @@ export class HTTPRequest extends BaseFileSystem implements FileSystem {
 			optional: true,
 			description: 'Used as the URL prefix for fetched files. Default: Fetch files relative to the index.',
 		},
-		preferXHR: {
-			type: 'boolean',
-			optional: true,
-			description: 'Whether to prefer XmlHttpRequest or fetch for async operations if both are available. Default: false',
-		},
 	};
 
 	public static async Create(opts: HTTPRequestOptions): Promise<HTTPRequest> {