Refactor: Remove subject id from candidate list

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/database/EmbeddedDatabaseHandler.java

@@ -350,6 +350,7 @@ public class EmbeddedDatabaseHandler {
                 while (rs.next()) {
                     intersectingObjects.add(new GmlId(rs.getString("gmlid")));
                 }
+                intersectingObjects.remove(subjectId);
             }
         } catch (SQLException e) {
             logger.error(Localization.getText("DatabaseHandler.getBufferIntersectFailure"),subjectId);

CityDoctorParent/CityDoctorValidation/src/main/java/de/hft/stuttgart/citydoctor2/checks/topology/FeatureCollisionCheck.java

@@ -142,9 +142,6 @@ public class FeatureCollisionCheck extends Check{
 
         for (Geometry sGeo : subjGeoms) {
             for (CityObject candidate : candidates) {
-                if (candidate.getGmlId().equals(subject.getGmlId())) {
-                    continue;
-                }
                 candidate.accept(new CheckableUtilsVisitor() {
                     @Override
                     public void check(Geometry cGeo) {