Remove duplicated processor

src/main/java/org/javarosa/xform/parse/ExternalInstanceParser.java

@@ -8,11 +8,9 @@
 import org.javarosa.core.reference.ReferenceManager;
 import org.javarosa.xml.util.InvalidStructureException;
 import org.javarosa.xml.util.UnfullfilledRequirementsException;
-import org.jetbrains.annotations.NotNull;
 import org.xmlpull.v1.XmlPullParserException;
 
 import java.io.IOException;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 import java.util.stream.Collectors;
@@ -22,7 +20,6 @@
 
 public class ExternalInstanceParser {
 
-    private List<ExternalDataInstanceProcessor> externalDataInstanceProcessors = new ArrayList<>();
     private List<FileInstanceParser> fileInstanceParsers = asList(
         new CsvExternalInstance(),
         new GeoJsonExternalInstance()
@@ -41,18 +38,9 @@ public TreeElement parse(ReferenceManager referenceManager, String instanceId, S
         } else {
             root = XmlExternalInstance.parse(instanceId, path);
         }
-
-        for (ExternalDataInstanceProcessor processor : externalDataInstanceProcessors) {
-            processor.processInstance(instanceId, root);
-        }
-
         return root;
     }
 
-    public void addProcessor(Processor processor) {
-        externalDataInstanceProcessors.add((ExternalDataInstanceProcessor) processor);
-    }
-
     /**
      * Adds {@link FileInstanceParser} before others. The last added {@link FileInstanceParser} will be checked
      * (via {@link FileInstanceParser#isSupported(String, String)}) first.
@@ -75,16 +63,9 @@ private static String getPath(ReferenceManager referenceManager, String srcLocat
         return uri.startsWith("//") /* todo why is this? */ ? uri.substring(1) : uri;
     }
 
-    public interface Processor {
-
-    }
-
-    public interface ExternalDataInstanceProcessor extends ExternalInstanceParser.Processor {
-        void processInstance(@NotNull String id, @NotNull TreeElement root);
-    }
-
     public interface FileInstanceParser {
         TreeElement parse(String instanceId, String path) throws IOException;
+
         boolean isSupported(String instanceId, String instanceSrc);
     }
 }