Improve POSSDK live endpoint construction (#1570)

* Remove unnecessary version check

* Check path element to match possdk only

Author: gcatanese

src/main/java/com/adyen/Service.java

@@ -105,8 +105,8 @@ protected String createBaseURL(String url) {
       if (config.getLiveEndpointUrlPrefix() == null) {
         throw new IllegalArgumentException("please provide a live url prefix in the client");
       }
-      if (url.contains("/possdk/v68")) {
-        // Temporary until they fix possdk
+      if (url.contains("/possdk/")) {
+        // Custom handling of POS Mobile API url
         url =
             url.replaceFirst(
                 "https://checkout-test.adyen.com/",