Update ServiceStack client dependency to be 1.0.43.

Delete gradle files as they should be seeded automatically since new gradle jetbrains intellij plugin update.

Author: Layoric

src/ServiceStackIDEA/gradle/wrapper/gradle-wrapper.jar

@@ -5,7 +5,7 @@ public class DepConfig {
     public static final String androidPackageId = "android";
     //Fallback version of dependencies if GitHub tags can't be checked.
     public static final String clientPackageId = "client";
-    public static String servicestackVersion = "1.0.40";
+    public static String servicestackVersion = "1.0.43";
 
     public static final String gsonGroupId = "com.google.code.gson";
     public static final String gsonPackageId = "gson";