Reformat: Remove unused function

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/zip/CityGmlZipArchive.java

@@ -98,7 +98,4 @@ public class CityGmlZipArchive implements Serializable {
         return entries;
     }
 
-    public void streamValidateCityGml() {
-        return;
-    }
 }