removed unused class

src/main/java/org/cryptomator/ui/keyloading/hub/HttpHelper.java

@@ -1,19 +0,0 @@
-package org.cryptomator.ui.keyloading.hub;
-
-import com.google.common.io.CharStreams;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.net.http.HttpResponse;
-import java.nio.charset.StandardCharsets;
-
-class HttpHelper {
-
-	public static String readBody(HttpResponse<InputStream> response) throws IOException {
-		try (var in = response.body(); var reader = new InputStreamReader(in, StandardCharsets.UTF_8)) {
-			return CharStreams.toString(reader);
-		}
-	}
-
-}