send ignore message when encountering locator-less record

Signed-off-by: Sebastian Schüpbach <sebastian.schuepbach@unibas.ch>

src/main/scala/ch/memobase/KafkaTopology.scala

@@ -155,8 +155,8 @@ class KafkaTopology extends Logging {
           k,
           ReportingObject(
             k,
-            ProcessingWarning,
-            "Record has no locator. Is this intentional (i.e. media file is not accessible)?"
+            ProcessingIgnore,
+            "Record has no locator. Assuming there is no attached media file."
           ).toString
         )
       )